Improve removal of unnecessary or double white lines

[DanielNoord]

Closes #54.

[coveralls]

Pull Request Test Coverage Report for Build 2263991134

• 13 of 13 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 2259710941:	0.0%
Covered Lines:	470
Relevant Lines:	470

---

💛 - Coveralls

[github-actions]

Diff from the primer, showing the effect of this PR on open source code:
pylint:

https://github.com/PyCQA/pylint/blob/main/pylint/checkers/__init__.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/__init__.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/__init__.py
@@ -38,7 +38,6 @@
 
 The raw_metrics checker has no number associated since it doesn't emit any
 messages nor reports. XXX not true, emit a 07 report !
-
 """
 
 from __future__ import annotations

https://github.com/PyCQA/pylint/blob/main/pylint/checkers/classes/class_checker.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/classes/class_checker.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/classes/class_checker.py
@@ -257,7 +257,6 @@
        * one of the methods is having variadics, while the other is not
 
        * they have different keyword only parameters.
-
     """
     output_messages = []
     original_parameters = _positional_parameters(original)

https://github.com/PyCQA/pylint/blob/main/pylint/checkers/refactoring/refactoring_checker.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/refactoring/refactoring_checker.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/refactoring/refactoring_checker.py
@@ -1700,7 +1700,6 @@
 
         Args:
             node (nodes.FunctionDef): the function holding the return statements.
-
         """
         # explicit return statements are those with a not None value
         explicit_returns = [
@@ -1785,7 +1784,6 @@
 
         Returns:
             bool: True if the node ends with an explicit statement, False otherwise.
-
         """
         # Recursion base case
         if isinstance(node, nodes.Return):

https://github.com/PyCQA/pylint/blob/main/pylint/checkers/spelling.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/spelling.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/spelling.py
@@ -90,7 +90,6 @@
 
     This filter skips any words the match the expression
     assigned to the class attribute ``_pattern``.
-
     """
 
     _pattern: Pattern[str]

https://github.com/PyCQA/pylint/blob/main/pylint/checkers/utils.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/utils.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/checkers/utils.py
@@ -1003,7 +1003,6 @@
 
     Returns:
         list: the collection of handlers that are handling the exception or None.
-
     """
     context = find_try_except_wrapper_node(node)
     if isinstance(context, nodes.TryExcept):

https://github.com/PyCQA/pylint/blob/main/pylint/epylint.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/epylint.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/epylint.py
@@ -31,7 +31,6 @@
 
    - As this script will be invoked by Emacs within the directory of the file
      we are checking we need to go out of it to avoid these false positives.
-
 
 You may also use py_run to run pylint with desired options and get back (or not)
 its output.

https://github.com/PyCQA/pylint/blob/main/pylint/extensions/_check_docs_utils.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/extensions/_check_docs_utils.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/extensions/_check_docs_utils.py
@@ -107,7 +107,6 @@
     .. note::
 
         Caught exception types are ignored.
-
 
     :param node: The raise node to find exception types for.
 

https://github.com/PyCQA/pylint/blob/main/pylint/extensions/broad_try_clause.py

--- ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/extensions/broad_try_clause.py
+++ ../.pydocstringformatter_primer_tests/PyCQA/pylint/pylint/extensions/broad_try_clause.py
@@ -22,7 +22,6 @@
     According to PEP 8, ``try`` clauses shall contain the absolute minimum
     amount of code. This checker enforces a maximum number of statements within
     ``try`` clauses.
-
     """
 
     # configuration section name

[Pierre-Sassoulas]

Changes look good, the result in pylint too ! 👌