diff --git a/sdk/python/packages/flet-core/src/flet_core/callable_control.py b/sdk/python/packages/flet-core/src/flet_core/callable_control.py
index bd87d4bad..42057b09e 100644
--- a/sdk/python/packages/flet-core/src/flet_core/callable_control.py
+++ b/sdk/python/packages/flet-core/src/flet_core/callable_control.py
@@ -63,9 +63,9 @@ def _call_method(self, name: str, params: List[str], wait_for_result=True) -> An
                 f"Timeout waiting for {self.__class__.__name__}.{name}({params}) method call"
             )
         result, err = self.__results.pop(evt)
-        if err != None:
+        if err is not None:
             raise Exception(err)
-        if result == None:
+        if result is None:
             return None
         return json.loads(result)
 
@@ -96,9 +96,9 @@ async def _call_method_async(
             )
 
         result, err = self.__results.pop(evt)
-        if err != None:
+        if err is not None:
             raise Exception(err)
-        if result == None:
+        if result is None:
             return None
         return json.loads(result)
 
@@ -106,7 +106,7 @@ def _on_result(self, e):
         d = json.loads(e.data)
         result = ControlMethodResults(**d)
         evt = self.__calls.pop(result.i, None)
-        if evt == None:
+        if evt is None:
             return
         self.__results[evt] = (result.r, result.e)
         evt.set()
diff --git a/sdk/python/packages/flet-core/src/flet_core/column.py b/sdk/python/packages/flet-core/src/flet_core/column.py
index 878a0dba7..b27ceff1e 100644
--- a/sdk/python/packages/flet-core/src/flet_core/column.py
+++ b/sdk/python/packages/flet-core/src/flet_core/column.py
@@ -227,9 +227,9 @@ def scroll(self, value: Optional[ScrollMode]):
             self.__set_scroll(value)
 
     def __set_scroll(self, value: Optional[ScrollModeString]):
-        if value == True:
+        if value is True:
             value = "auto"
-        elif value == False:
+        elif value is False:
             value = None
         self._set_attr("scroll", value)
 
diff --git a/sdk/python/packages/flet-core/src/flet_core/container.py b/sdk/python/packages/flet-core/src/flet_core/container.py
index 6e793e516..f4040b67d 100644
--- a/sdk/python/packages/flet-core/src/flet_core/container.py
+++ b/sdk/python/packages/flet-core/src/flet_core/container.py
@@ -35,7 +35,7 @@
 
 try:
     from typing import Literal
-except:
+except Exception:
     from typing_extensions import Literal
 
 
diff --git a/sdk/python/packages/flet-core/src/flet_core/control.py b/sdk/python/packages/flet-core/src/flet_core/control.py
index b43c81168..6d45c79a3 100644
--- a/sdk/python/packages/flet-core/src/flet_core/control.py
+++ b/sdk/python/packages/flet-core/src/flet_core/control.py
@@ -154,7 +154,7 @@ def __str__(self):
         attrs = {}
         for k, v in self.__attrs.items():
             attrs[k] = v[0]
-        return "{} {}".format(self._get_control_name(), attrs)
+        return f"{self._get_control_name()} {attrs}"
 
     # event_handlers
     @property
diff --git a/sdk/python/packages/flet-core/src/flet_core/local_connection.py b/sdk/python/packages/flet-core/src/flet_core/local_connection.py
index 89034f9ba..48aebf505 100644
--- a/sdk/python/packages/flet-core/src/flet_core/local_connection.py
+++ b/sdk/python/packages/flet-core/src/flet_core/local_connection.py
@@ -74,7 +74,7 @@ def _create_update_control_props_handler_arg(self, msg: ClientMessage):
         )
 
     def _process_command(self, command: Command):
-        logger.debug("_process_command: {}".format(command))
+        logger.debug(f"_process_command: {command}")
         if command.name == "get":
             return self._process_get_command(command.values)
         elif command.name == "add":
@@ -89,7 +89,7 @@ def _process_command(self, command: Command):
             return self._process_invoke_method_command(command.values, command.attrs)
         elif command.name == "error":
             return self._process_error_command(command.values)
-        raise Exception("Unsupported command: {}".format(command.name))
+        raise Exception(f"Unsupported command: {command.name}")
 
     def _process_add_command(self, command: Command):
 
@@ -131,7 +131,7 @@ def _process_add_command(self, command: Command):
 
             id = cmd.attrs.get("id", "")
             if not id:
-                id = "_{}".format(self._control_id)
+                id = f"_{self._control_id}"
                 self._control_id += 1
                 cmd.attrs["id"] = id
 
diff --git a/sdk/python/packages/flet-core/src/flet_core/locks.py b/sdk/python/packages/flet-core/src/flet_core/locks.py
index e0af92ab7..da9e737ca 100644
--- a/sdk/python/packages/flet-core/src/flet_core/locks.py
+++ b/sdk/python/packages/flet-core/src/flet_core/locks.py
@@ -1,4 +1,4 @@
-class NopeLock(object):
+class NopeLock():
     def __enter__(self):
         pass
 
@@ -6,7 +6,7 @@ def __exit__(self, *args):
         pass
 
 
-class AsyncNopeLock(object):
+class AsyncNopeLock():
     async def __aenter__(self):
         pass
 
diff --git a/sdk/python/packages/flet-core/src/flet_core/page.py b/sdk/python/packages/flet-core/src/flet_core/page.py
index 67f30058d..37708d841 100644
--- a/sdk/python/packages/flet-core/src/flet_core/page.py
+++ b/sdk/python/packages/flet-core/src/flet_core/page.py
@@ -412,7 +412,7 @@ def __validate_controls_page(self, added_controls):
         for ctrl in added_controls:
             if ctrl.page and ctrl.page != self:
                 raise Exception(
-                    "Control has already been added to another page: {}".format(ctrl)
+                    f"Control has already been added to another page: {ctrl}"
                 )
 
     def __update_control_ids(self, added_controls, results):
@@ -486,7 +486,7 @@ def __on_page_change_event(self, data):
                         self._index[id]._set_attr(name, props[name], dirty=False)
 
     def go(self, route, **kwargs):
-        self.route = route if kwargs == {} else route + self.query.post(kwargs)
+        self.route = route if not kwargs else route + self.query.post(kwargs)
 
         self.__on_route_change.get_sync_handler()(
             ControlEvent(
@@ -501,7 +501,7 @@ def go(self, route, **kwargs):
         self.query()  # Update query url (required when using go)
 
     async def go_async(self, route, **kwargs):
-        self.route = route if kwargs == {} else route + self.query.post(kwargs)
+        self.route = route if not kwargs else route + self.query.post(kwargs)
 
         await self.__on_route_change.get_handler()(
             ControlEvent(
@@ -776,13 +776,13 @@ def __get_launch_url_args(
         window_height: Optional[int] = None,
     ):
         args = {"url": url}
-        if web_window_name != None:
+        if web_window_name is not None:
             args["web_window_name"] = web_window_name
-        if web_popup_window != None:
+        if web_popup_window is not None:
             args["web_popup_window"] = str(web_popup_window)
-        if window_width != None:
+        if window_width is not None:
             args["window_width"] = str(window_width)
-        if window_height != None:
+        if window_height is not None:
             args["window_height"] = str(window_height)
         return args
 
@@ -845,9 +845,9 @@ def invoke_method(
             )
 
         result, err = self.__method_call_results.pop(evt)
-        if err != None:
+        if err is not None:
             raise Exception(err)
-        if result == None:
+        if result is None:
             return None
         return result
 
@@ -889,9 +889,9 @@ async def invoke_method_async(
             )
 
         result, err = self.__method_call_results.pop(evt)
-        if err != None:
+        if err is not None:
             raise Exception(err)
-        if result == None:
+        if result is None:
             return None
         return result
 
@@ -899,7 +899,7 @@ def __on_invoke_method_result(self, e):
         d = json.loads(e.data)
         result = InvokeMethodResults(**d)
         evt = self.__method_calls.pop(result.method_id, None)
-        if evt == None:
+        if evt is None:
             return
         self.__method_call_results[evt] = (result.result, result.error)
         evt.set()
diff --git a/sdk/python/packages/flet-core/src/flet_core/protocol.py b/sdk/python/packages/flet-core/src/flet_core/protocol.py
index d7b0ee2a5..39db09943 100644
--- a/sdk/python/packages/flet-core/src/flet_core/protocol.py
+++ b/sdk/python/packages/flet-core/src/flet_core/protocol.py
@@ -44,7 +44,7 @@ class Command:
     commands: List[Any] = field(default_factory=list)
 
     def __str__(self):
-        return "{} {} {}".format(self.name, self.values, self.attrs)
+        return f"{self.name} {self.values} {self.attrs}"
 
 
 @dataclass
diff --git a/sdk/python/packages/flet-core/src/flet_core/querystring.py b/sdk/python/packages/flet-core/src/flet_core/querystring.py
index 53d67d571..5fb91fa4d 100644
--- a/sdk/python/packages/flet-core/src/flet_core/querystring.py
+++ b/sdk/python/packages/flet-core/src/flet_core/querystring.py
@@ -28,12 +28,10 @@ def _is_encoded(self) -> bool:
         if "?" in self.url:
             q_result = self._querystring_part()
             return (
-                True
-                if self._decode_url_component(
+                self._decode_url_component(
                     self.url[q_result.start() + 1 : q_result.end()]
                 )
                 != self.url[q_result.start() + 1 : q_result.end()]
-                else False
             )
 
     def _querystring_part(self, url_string: bool = False):
diff --git a/sdk/python/packages/flet-core/src/flet_core/row.py b/sdk/python/packages/flet-core/src/flet_core/row.py
index 820bd6c78..8057bc58c 100644
--- a/sdk/python/packages/flet-core/src/flet_core/row.py
+++ b/sdk/python/packages/flet-core/src/flet_core/row.py
@@ -230,9 +230,9 @@ def scroll(self, value: Optional[ScrollMode]):
             self.__set_scroll(value)
 
     def __set_scroll(self, value: Optional[ScrollModeString]):
-        if value == True:
+        if value is True:
             value = "auto"
-        elif value == False:
+        elif value is False:
             value = None
         self._set_attr("scroll", value)
 
diff --git a/sdk/python/packages/flet-core/src/flet_core/view.py b/sdk/python/packages/flet-core/src/flet_core/view.py
index cd8411d85..9bfb94eb0 100644
--- a/sdk/python/packages/flet-core/src/flet_core/view.py
+++ b/sdk/python/packages/flet-core/src/flet_core/view.py
@@ -193,9 +193,9 @@ def scroll(self, value: Optional[ScrollMode]):
             self.__set_scroll(value)
 
     def __set_scroll(self, value: Optional[ScrollModeString]):
-        if value == True:
+        if value is True:
             value = "auto"
-        elif value == False:
+        elif value is False:
             value = None
         self._set_attr("scroll", value)
 
diff --git a/sdk/python/packages/flet-core/tests/test_alert_dialog.py b/sdk/python/packages/flet-core/tests/test_alert_dialog.py
index cad3730b2..855360d70 100644
--- a/sdk/python/packages/flet-core/tests/test_alert_dialog.py
+++ b/sdk/python/packages/flet-core/tests/test_alert_dialog.py
@@ -32,4 +32,3 @@ def test_alignment_str():
     assert isinstance(r._get_attr("actionsalignment"), str)
     cmd = r._build_add_commands()
     assert cmd[0].attrs["actionsalignment"] == "center"
-
diff --git a/sdk/python/packages/flet-core/tests/test_animated_switcher.py b/sdk/python/packages/flet-core/tests/test_animated_switcher.py
index 487bccc1b..9f4cc2b1a 100644
--- a/sdk/python/packages/flet-core/tests/test_animated_switcher.py
+++ b/sdk/python/packages/flet-core/tests/test_animated_switcher.py
@@ -19,7 +19,7 @@ def test_instance_no_attrs_set():
 
 def test_switch_in_curve_enum():
     r = ft.AnimatedSwitcher()
-    assert r.switch_in_curve == None
+    assert r.switch_in_curve is None
     assert r._get_attr("switchInCurve") is None
 
     r = ft.AnimatedSwitcher(switch_in_curve=ft.AnimationCurve.BOUNCE_IN)
@@ -34,7 +34,7 @@ def test_switch_in_curve_enum():
 
 def test_switch_out_curve_enum():
     r = ft.AnimatedSwitcher()
-    assert r.switch_out_curve == None
+    assert r.switch_out_curve is None
     assert r._get_attr("switchOutCurve") is None
 
     r = ft.AnimatedSwitcher(switch_out_curve=ft.AnimationCurve.BOUNCE_IN)
@@ -49,7 +49,7 @@ def test_switch_out_curve_enum():
 
 def test_transition_enum():
     r = ft.AnimatedSwitcher()
-    assert r.transition == None
+    assert r.transition is None
     assert r._get_attr("transition") is None
 
     r = ft.AnimatedSwitcher(transition=ft.AnimatedSwitcherTransition.FADE)
diff --git a/sdk/python/packages/flet-core/tests/test_text.py b/sdk/python/packages/flet-core/tests/test_text.py
index 0056961ad..112f9ed14 100644
--- a/sdk/python/packages/flet-core/tests/test_text.py
+++ b/sdk/python/packages/flet-core/tests/test_text.py
@@ -34,7 +34,7 @@ def test_text_align_enum():
 
 def test_text_style_enum():
     r = ft.Text()
-    assert r.style == None
+    assert r.style is None
     assert r._get_attr("style") is None
 
     r = ft.Text(style=ft.TextThemeStyle.DISPLAY_LARGE)
@@ -64,7 +64,7 @@ def test_text_overflow_enum():
 
 def test_weight_enum():
     r = ft.Text()
-    assert r.weight == None
+    assert r.weight is None
     assert r._get_attr("weight") is None
 
     r = ft.Text(weight=ft.FontWeight.BOLD)
diff --git a/sdk/python/packages/flet-pyodide/src/flet/pyodide_connection.py b/sdk/python/packages/flet-pyodide/src/flet/pyodide_connection.py
index 0a601e26a..9eb08153b 100644
--- a/sdk/python/packages/flet-pyodide/src/flet/pyodide_connection.py
+++ b/sdk/python/packages/flet-pyodide/src/flet/pyodide_connection.py
@@ -77,7 +77,7 @@ async def __on_message(self, data: str):
                 )
         else:
             # it's something else
-            raise Exception('Unknown message "{}": {}'.format(msg.action, msg.payload))
+            raise Exception(f'Unknown message "{msg.action}": {msg.payload}')
 
     async def send_command_async(self, session_id: str, command: Command):
         return self.send_command(session_id, command)
diff --git a/sdk/python/packages/flet/src/flet/__pyinstaller/win_utils.py b/sdk/python/packages/flet/src/flet/__pyinstaller/win_utils.py
index 578254826..bbc8e0954 100644
--- a/sdk/python/packages/flet/src/flet/__pyinstaller/win_utils.py
+++ b/sdk/python/packages/flet/src/flet/__pyinstaller/win_utils.py
@@ -3,9 +3,9 @@
 import uuid
 from pathlib import Path
 
-import packaging.version as version
+from packaging import version
 import pefile
-import PyInstaller.utils.win32.versioninfo as versioninfo
+from PyInstaller.utils.win32 import versioninfo
 from PyInstaller.building.icon import normalize_icon_type
 from PyInstaller.compat import win32api
 from PyInstaller.utils.win32.icon import IconFile, normalize_icon_type
diff --git a/sdk/python/packages/flet/src/flet/async_local_socket_connection.py b/sdk/python/packages/flet/src/flet/async_local_socket_connection.py
index f781ce877..ef251f516 100644
--- a/sdk/python/packages/flet/src/flet/async_local_socket_connection.py
+++ b/sdk/python/packages/flet/src/flet/async_local_socket_connection.py
@@ -75,7 +75,7 @@ async def __receive_loop(self, reader: asyncio.StreamReader):
         while True:
             try:
                 raw_msglen = await reader.readexactly(4)
-            except:
+            except Exception:
                 return None
 
             if not raw_msglen:
@@ -93,8 +93,8 @@ async def __send_loop(self, writer: asyncio.StreamWriter):
                 msg = struct.pack(">I", len(data)) + data
                 writer.write(msg)
                 # await writer.drain()
-                logger.debug("sent to TCP: {}".format(len(msg)))
-            except:
+                logger.debug(f"sent to TCP: {len(msg)}")
+            except Exception:
                 # re-enqueue the message to repeat it when re-connected
                 self.__send_queue.put_nowait(message)
                 raise
@@ -128,7 +128,7 @@ async def __on_message(self, data: str):
                 )
         else:
             # it's something else
-            raise Exception('Unknown message "{}": {}'.format(msg.action, msg.payload))
+            raise Exception(f'Unknown message "{msg.action}": {msg.payload}')
 
     async def send_command_async(self, session_id: str, command: Command):
         result, message = self._process_command(command)
diff --git a/sdk/python/packages/flet/src/flet/async_websocket_connection.py b/sdk/python/packages/flet/src/flet/async_websocket_connection.py
index f4271fec5..72ac5aae6 100644
--- a/sdk/python/packages/flet/src/flet/async_websocket_connection.py
+++ b/sdk/python/packages/flet/src/flet/async_websocket_connection.py
@@ -114,7 +114,7 @@ async def __start_loops(self):
 
         # re-connect if one of tasks failed
         if failed:
-            logger.debug(f"Re-connecting to Flet server in 1 second")
+            logger.debug("Re-connecting to Flet server in 1 second")
             await asyncio.sleep(self.__CONNECT_TIMEOUT)
             await self.connect()
 
@@ -148,7 +148,7 @@ async def __send_loop(self):
             message = await self.__send_queue.get()
             try:
                 await self.__ws.send(message)
-            except:
+            except Exception:
                 # re-enqueue the message to repeat it when re-connected
                 self.__send_queue.put_nowait(message)
                 raise
@@ -195,5 +195,5 @@ async def close(self):
         if self.__ws:
             try:
                 await self.__ws.close()
-            except:
+            except Exception:
                 pass  # do nothing
diff --git a/sdk/python/packages/flet/src/flet/auth/authorization.py b/sdk/python/packages/flet/src/flet/auth/authorization.py
index 101e800b8..f18c4e7ad 100644
--- a/sdk/python/packages/flet/src/flet/auth/authorization.py
+++ b/sdk/python/packages/flet/src/flet/auth/authorization.py
@@ -117,13 +117,13 @@ def __fetch_user_and_groups(self):
         assert self.__token is not None
         if self.fetch_user:
             self.user = self.provider._fetch_user(self.__token.access_token)
-            if self.user == None and self.provider.user_endpoint != None:
-                if self.provider.user_id_fn == None:
+            if self.user is None and self.provider.user_endpoint is not None:
+                if self.provider.user_id_fn is None:
                     raise Exception(
                         "user_id_fn must be specified too if user_endpoint is not None"
                     )
                 self.user = self.__get_user()
-            if self.fetch_groups and self.user != None:
+            if self.fetch_groups and self.user is not None:
                 self.user.groups = self.provider._fetch_groups(
                     self.__token.access_token
                 )
@@ -132,13 +132,13 @@ async def __fetch_user_and_groups_async(self):
         assert self.__token is not None
         if self.fetch_user:
             self.user = await self.provider._fetch_user_async(self.__token.access_token)
-            if self.user == None and self.provider.user_endpoint != None:
-                if self.provider.user_id_fn == None:
+            if self.user is None and self.provider.user_endpoint is not None:
+                if self.provider.user_id_fn is None:
                     raise Exception(
                         "user_id_fn must be specified too if user_endpoint is not None"
                     )
                 self.user = await self.__get_user_async()
-            if self.fetch_groups and self.user != None:
+            if self.fetch_groups and self.user is not None:
                 self.user.groups = await self.provider._fetch_groups_async(
                     self.__token.access_token
                 )
@@ -195,7 +195,7 @@ def __complete_refresh_token_request(self, refresh_resp):
         assert self.__token is not None
         client = WebApplicationClient(self.provider.client_id)
         t = client.parse_request_body_response(refresh_resp.text)
-        if t.get("refresh_token") == None:
+        if t.get("refresh_token") is None:
             t["refresh_token"] = self.__token.refresh_token
         self.__token = self.__convert_token(t)
 
@@ -215,7 +215,7 @@ def __get_user_request(self):
         assert self.token is not None
         assert self.provider.user_endpoint is not None
         headers = self.__get_default_headers()
-        headers["Authorization"] = "Bearer {}".format(self.token.access_token)
+        headers["Authorization"] = f"Bearer {self.token.access_token}"
         return httpx.Request("GET", self.provider.user_endpoint, headers=headers)
 
     def __complete_user_request(self, user_resp):
@@ -226,5 +226,5 @@ def __complete_user_request(self, user_resp):
 
     def __get_default_headers(self):
         return {
-            "User-Agent": "Flet/{}".format(version),
+            "User-Agent": f"Flet/{version}",
         }
diff --git a/sdk/python/packages/flet/src/flet/auth/providers/github_oauth_provider.py b/sdk/python/packages/flet/src/flet/auth/providers/github_oauth_provider.py
index ad3083ad1..5eb140f6a 100644
--- a/sdk/python/packages/flet/src/flet/auth/providers/github_oauth_provider.py
+++ b/sdk/python/packages/flet/src/flet/auth/providers/github_oauth_provider.py
@@ -93,6 +93,6 @@ def __complete_fetch_user_details(self, user_resp, emails_resp):
 
     def __get_client_headers(self, access_token):
         return {
-            "Authorization": "Bearer {}".format(access_token),
-            "User-Agent": "Flet/{}".format(version),
+            "Authorization": f"Bearer {access_token}",
+            "User-Agent": f"Flet/{version}",
         }
diff --git a/sdk/python/packages/flet/src/flet/cli/commands/pack.py b/sdk/python/packages/flet/src/flet/cli/commands/pack.py
index f86e17533..0f85ad348 100644
--- a/sdk/python/packages/flet/src/flet/cli/commands/pack.py
+++ b/sdk/python/packages/flet/src/flet/cli/commands/pack.py
@@ -1,5 +1,6 @@
 import argparse
 import os
+import sys
 import shutil
 from pathlib import Path
 
@@ -126,7 +127,7 @@ def handle(self, options: argparse.Namespace) -> None:
             if options.onedir:
                 if is_macos():
                     print("--onedir options is not supported on macOS.")
-                    exit(1)
+                    sys.exit(1)
                 pyi_args.append("--onedir")
             else:
                 pyi_args.append("--onefile")
@@ -221,4 +222,4 @@ def handle(self, options: argparse.Namespace) -> None:
                 shutil.rmtree(hook_config.temp_bin_dir, ignore_errors=True)
         except ImportError as e:
             print("Please install PyInstaller module to use flet pack command:", e)
-            exit(1)
+            sys.exit(1)
diff --git a/sdk/python/packages/flet/src/flet/cli/commands/publish.py b/sdk/python/packages/flet/src/flet/cli/commands/publish.py
index c61f00636..54337c470 100644
--- a/sdk/python/packages/flet/src/flet/cli/commands/publish.py
+++ b/sdk/python/packages/flet/src/flet/cli/commands/publish.py
@@ -1,6 +1,7 @@
 import argparse
 import json
 import os
+import sys
 import re
 import shutil
 import tarfile
@@ -97,7 +98,7 @@ def handle(self, options: argparse.Namespace) -> None:
 
         if not Path(script_path).exists():
             print(f"File not found: {script_path}")
-            exit(1)
+            sys.exit(1)
 
         script_dir = os.path.dirname(script_path)
 
@@ -118,7 +119,7 @@ def handle(self, options: argparse.Namespace) -> None:
         web_path = get_package_web_dir()
         if not os.path.exists(web_path):
             print("Flet module does not contain 'web' directory.")
-            exit(1)
+            sys.exit(1)
         copy_tree(web_path, dist_dir)
 
         # copy assets
@@ -130,7 +131,7 @@ def handle(self, options: argparse.Namespace) -> None:
         if assets_dir:
             if not os.path.exists(assets_dir):
                 print("Assets dir not found:", assets_dir)
-                exit(1)
+                sys.exit(1)
             copy_tree(assets_dir, dist_dir)
 
         # create "./dist/requirements.txt" if not exist
@@ -153,7 +154,7 @@ def handle(self, options: argparse.Namespace) -> None:
                 pyodide_dep_found = True
                 break
         if not pyodide_dep_found:
-            deps.append(f"flet-pyodide")
+            deps.append("flet-pyodide")
 
         temp_reqs_txt = Path(tempfile.gettempdir()).joinpath(random_string(10))
         with open(temp_reqs_txt, "w") as f:
diff --git a/sdk/python/packages/flet/src/flet/cli/commands/run.py b/sdk/python/packages/flet/src/flet/cli/commands/run.py
index 45e39818c..7b45f1edb 100644
--- a/sdk/python/packages/flet/src/flet/cli/commands/run.py
+++ b/sdk/python/packages/flet/src/flet/cli/commands/run.py
@@ -80,7 +80,7 @@ def handle(self, options: argparse.Namespace) -> None:
 
         if not Path(script_path).exists():
             print(f"File not found: {script_path}")
-            exit(1)
+            sys.exit(1)
 
         script_dir = os.path.dirname(script_path)
 
diff --git a/sdk/python/packages/flet/src/flet/flet.py b/sdk/python/packages/flet/src/flet/flet.py
index ad1086be1..591f33049 100644
--- a/sdk/python/packages/flet/src/flet/flet.py
+++ b/sdk/python/packages/flet/src/flet/flet.py
@@ -249,7 +249,7 @@ def close_flet_view(pid_file):
                 fvp_pid = int(f.read())
             logger.debug(f"Flet View process {fvp_pid}")
             os.kill(fvp_pid, signal.SIGKILL)
-        except:
+        except Exception:
             pass
         finally:
             os.remove(pid_file)
@@ -434,7 +434,7 @@ def __start_flet_server(
             # download flet from GitHub (python module developer mode)
             fletd_path = __download_fletd()
         else:
-            logger.info(f"Flet Server found in PATH")
+            logger.info("Flet Server found in PATH")
 
     fletd_env = {**os.environ}
 
@@ -464,7 +464,7 @@ def __start_flet_server(
     web_root_dir = get_package_web_dir()
 
     if not os.path.exists(web_root_dir):
-        raise Exception("Web root path not found: {}".format(web_root_dir))
+        raise Exception(f"Web root path not found: {web_root_dir}")
 
     args = [fletd_path, "--content-dir", web_root_dir, "--port", str(port)]
 
@@ -540,7 +540,7 @@ def __get_assets_dir_path(assets_dir: Optional[str]):
 
 
 def __locate_and_unpack_flet_view(page_url, assets_dir, hidden):
-    logger.info(f"Starting Flet View app...")
+    logger.info("Starting Flet View app...")
 
     args = []
 
diff --git a/sdk/python/packages/flet/src/flet/reconnecting_websocket.py b/sdk/python/packages/flet/src/flet/reconnecting_websocket.py
index 694b17ecd..ccd9d4e34 100644
--- a/sdk/python/packages/flet/src/flet/reconnecting_websocket.py
+++ b/sdk/python/packages/flet/src/flet/reconnecting_websocket.py
@@ -65,10 +65,10 @@ def _connect_loop(self):
                 else _REMOTE_CONNECT_TIMEOUT_SEC
             )
             r = self.wsapp.run_forever()
-            logger.debug(f"Exited run_forever()")
+            logger.debug("Exited run_forever()")
             websocket.setdefaulttimeout(self.default_timeout)
             self.connected.clear()
-            if r != True:
+            if r is not True:
                 return
 
             if self.retry == 0 and self._on_failed_connect_handler is not None:
diff --git a/sdk/python/packages/flet/src/flet/sync_local_socket_connection.py b/sdk/python/packages/flet/src/flet/sync_local_socket_connection.py
index 8c046ba1a..bcc6ac072 100644
--- a/sdk/python/packages/flet/src/flet/sync_local_socket_connection.py
+++ b/sdk/python/packages/flet/src/flet/sync_local_socket_connection.py
@@ -106,7 +106,7 @@ def __on_message(self, data):
                 th.start()
         else:
             # it's something else
-            raise Exception('Unknown message "{}": {}'.format(msg.action, msg.payload))
+            raise Exception(f'Unknown message "{msg.action}": {msg.payload}')
 
     def send_command(self, session_id: str, command: Command):
         result, message = self._process_command(command)
@@ -164,9 +164,9 @@ def __send_msg(self, sock, msg):
         msg = struct.pack(">I", len(msg)) + msg
         try:
             sock.sendall(msg)
-            logger.debug("Sent: {}".format(len(msg)))
+            logger.debug(f"Sent: {len(msg)}")
         except Exception as e:
-            logger.debug("Error sending a message over a socket: {}".format(e))
+            logger.debug(f"Error sending a message over a socket: {e}")
 
     def __recv_msg(self, sock):
         # Read message length and unpack it into an integer
@@ -174,7 +174,7 @@ def __recv_msg(self, sock):
         if not raw_msglen:
             return None
         msglen = struct.unpack(">I", raw_msglen)[0]
-        logger.debug("Message size: {}".format(msglen))
+        logger.debug(f"Message size: {msglen}")
         # Read the message data
         return self.__recvall(sock, msglen)
 
@@ -184,7 +184,7 @@ def __recvall(self, sock, n):
         while len(data) < n:
             try:
                 packet = sock.recv(n - len(data))
-            except:
+            except Exception:
                 return None
             # print("packet received:", len(packet))
             if not packet:
diff --git a/sdk/python/patch_toml.py b/sdk/python/patch_toml.py
index 630f6534a..e6a0b5406 100644
--- a/sdk/python/patch_toml.py
+++ b/sdk/python/patch_toml.py
@@ -11,7 +11,7 @@
 current_dir = pathlib.Path(os.getcwd())
 toml_path = current_dir.joinpath(current_dir, sys.argv[1])
 ver = sys.argv[2]
-print("Patching TOML file {} to {}".format(toml_path, ver))
+print(f"Patching TOML file {toml_path} to {ver}")
 
 # read
 with open(toml_path, "r") as f: