Auto merge of #2441 - micbou:flake8, r=Valloric

[READY] Fix flake8 error

This fixes a new error detected by the last version of `pycodestyle` (2.2.0), which is a dependency of `flake8`:
```
C:\projects\youcompleteme\python\ycm\youcompleteme.py:69:1: E305 expected 2 blank lines after class or function definition, found 1
```

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python/ycm/youcompleteme.py

@@ -59,6 +59,7 @@ def PatchNoProxy():
   os.environ['no_proxy'] = ( additions if not current_value
                              else current_value + ',' + additions )
 
+
 # We need this so that Requests doesn't end up using the local HTTP proxy when
 # talking to ycmd. Users should actually be setting this themselves when
 # configuring a proxy server on their machine, but most don't know they need to