lint + fixed tests

pytube/cipher.py

@@ -35,8 +35,12 @@ def get_initial_function_name(js):
 
     """
     # c&&d.set("signature", EE(c));
-    pattern = [r'yt\.akamaized\.net/\)\s*\|\|\s*.*?\s*c\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
-               r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(', r'\bc\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(']
+    pattern = [
+        r'yt\.akamaized\.net/\)\s*\|\|\s*'
+        r'.*?\s*c\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
+        r'\.sig\|\|(?P<sig>[a-zA-Z0-9$]+)\(',
+        r'\bc\s*&&\s*d\.set\([^,]+\s*,\s*(?P<sig>[a-zA-Z0-9$]+)\(',
+    ]
     logger.debug('finding initial function name')
     return regex_search(pattern, js, group=1)
 

pytube/helpers.py

@@ -38,7 +38,7 @@ def regex_search(pattern, string, groups=False, group=None, flags=0):
             if not results:
                 raise RegexMatchError(
                     'regex pattern ({pattern}) had zero matches'
-                        .format(pattern=p),
+                    .format(pattern=p),
                 )
             else:
                 logger.debug(
@@ -62,7 +62,7 @@ def regex_search(pattern, string, groups=False, group=None, flags=0):
         if not results:
             raise RegexMatchError(
                 'regex pattern ({pattern}) had zero matches'
-                    .format(pattern=pattern),
+                .format(pattern=pattern),
             )
         else:
             logger.debug(

tests/test_streams.py

@@ -2,7 +2,6 @@
 import random
 
 import mock
-from pytest_mock import mocker
 
 from pytube import request
 from pytube import Stream