Fixed flake errors

Author: kmvanbrunt

.travis.yml

@@ -46,7 +46,7 @@ before_script:
   # stop the build if there are Python syntax errors or undefined names
   # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
   if [[ $TOXENV == py37 ]]; then
-    flake8 . --count --ignore=E252 --max-complexity=31 --max-line-length=127 --show-source --statistics ;
+    flake8 . --count --ignore=E252,W503 --max-complexity=31 --max-line-length=127 --show-source --statistics ;
   fi
 
 script:

cmd2/cmd2.py

@@ -1521,8 +1521,8 @@ def _complete_worker(self, text: str, state: int) -> Optional[str]:
 
                             # For delimited matches, we check for a space in what appears before the display
                             # matches (common_prefix) as well as in the display matches themselves.
-                            if (' ' in common_prefix) or (display_prefix and
-                                                          any(' ' in match for match in self.display_matches)):
+                            if ' ' in common_prefix or (display_prefix
+                                                        and any(' ' in match for match in self.display_matches)):
                                 add_quote = True
 
                         # If there is a tab completion and any match has a space, then add an opening quote

tasks.py

@@ -233,5 +233,5 @@ def pypi_test(context):
 @invoke.task
 def flake8(context):
     "Run flake8 linter and tool for style guide enforcement"
-    context.run("flake8 --ignore=E252 --max-complexity=31 --max-line-length=127 --show-source --statistics")
+    context.run("flake8 --ignore=E252,W503 --max-complexity=31 --max-line-length=127 --show-source --statistics")
 namespace.add_task(flake8)