fix lints

effect/_intents.py

@@ -199,5 +199,5 @@ def perform_func(dispatcher, intent):
 
 
 base_dispatcher = TypeDispatcher(
-    {Constant: perform_constant, Error: perform_error, Func: perform_func,}
+    {Constant: perform_constant, Error: perform_error, Func: perform_func}
 )

effect/_test_utils.py

@@ -52,7 +52,7 @@ def match(self, actual):
             traceback.TracebackException.from_exception(self.expected).format()
         )
         new = list(traceback.TracebackException.from_exception(actual).format())
-        tail_equals = lambda a, b: a == b[-len(a) :]
+        tail_equals = lambda a, b: a == b[-len(a):]
         if not tail_equals(expected[1:], new[1:]):
             return ReraisedTracebackMismatch(expected_tb=expected, got_tb=new)
 

effect/io.py

@@ -38,5 +38,5 @@ def perform_get_input_raw_input(dispatcher, intent):
 
 
 stdio_dispatcher = TypeDispatcher(
-    {Display: perform_display_print, Prompt: perform_get_input_raw_input,}
+    {Display: perform_display_print, Prompt: perform_get_input_raw_input}
 )

effect/test_intents.py

@@ -86,7 +86,7 @@ def test_parallel_all_errors(self):
 
         dispatcher = ComposedDispatcher(
             [
-                TypeDispatcher({ParallelEffects: perform_parallel_async,}),
+                TypeDispatcher({ParallelEffects: perform_parallel_async}),
                 base_dispatcher,
             ]
         )

effect/testing.py

@@ -268,7 +268,7 @@ def resolve_effect(effect, result, is_error=False):
         is_error, result = guard(cb, result)
         if type(result) is Effect:
             return Effect(
-                result.intent, callbacks=result.callbacks + effect.callbacks[i + 1 :]
+                result.intent, callbacks=result.callbacks + effect.callbacks[i + 1:]
             )
     if is_error:
         raise result