Flake8 clean pymodbus. (#871)

.flake8

@@ -0,0 +1,5 @@
+# flake8 configuration.
+[flake8]
+exclude = .tox,.git,__pycache__
+ignore = D211,D400,E251,E731,W503
+max-line-length = 120

.github/workflows/ci.yml

@@ -191,7 +191,7 @@ jobs:
             # continue_on_error: true
           - name: flake8
             tox: flake8
-            continue_on_error: true
+            # continue_on_error: true
           - name: Docs
             tox: docs
         os:

doc/api/doxygen/build.py

@@ -1,19 +1,21 @@
 #!/usr/bin/env python3
-""" Doxygen API Builder
----------------------
-"""
+"""Doxygen API Builder."""
 import os
 import shutil
 
+
 def is_exe(path):
-    """ Returns if the program is executable
+    """Return if the program is executable.
+
     :param path: The path to the file
     :return: True if it is, False otherwise
     """
     return os.path.exists(path) and os.access(path, os.X_OK)
 
+
 def which(program):
-    """ Check to see if an executable exists
+    """Check to see if an executable exists.
+
     :param program: The program to check for
     :return: The full path of the executable or None if not found
     """
@@ -28,9 +30,11 @@ def which(program):
                 return exe_file
     return None
 
+
 if which('doxygen') is not None:
     print("Building Doxygen API Documentation")
-    os.system("doxygen .doxygen") #nosec
+    os.system("doxygen .doxygen")  # nosec
     if os.path.exists('../../../build'):
         shutil.move("html", "../../../build/doxygen")
-else: print("Doxygen not available...not building")
+else:
+    print("Doxygen not available...not building")

doc/api/epydoc/build.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
-""" Epydoc API Runner
-------------------
+"""Epydoc API Runner.
 
 Using pkg_resources, we attempt to see if epydoc is installed,
 if so, we use its cli program to compile the documents
@@ -14,7 +13,7 @@
 try:
     pkg_resources.require("epydoc")
 
-    from epydoc.cli import cli # pylint: disable=import-error
+    from epydoc.cli import cli  # pylint: disable=import-error
     sys.argv = """epydoc.py pymodbus
         --html --simple-term --quiet
         --include-log
@@ -25,7 +24,7 @@
         --exclude=tests
         --output=html/
     """.split()
-    #bugs in trunk for --docformat=restructuredtext
+    #  bugs in trunk for --docformat=restructuredtext
 
     if not os.path.exists("./html"):
         os.mkdir("./html")
@@ -35,6 +34,6 @@
 
     if os.path.exists('../../../build'):
         shutil.move("html", "../../../build/epydoc")
-except Exception: # pylint: disable=broad-except
+except Exception:  # pylint: disable=broad-except
     traceback.print_exc(file=sys.stdout)
-    print( "Epydoc not available...not building")
+    print("Epydoc not available...not building")