Update plexapi to v3.6.0

lib/plexapi/compat.py

@@ -25,9 +25,9 @@ except ImportError:
     from urllib import quote
 
 try:
-    from urllib.parse import quote_plus
+    from urllib.parse import quote_plus, quote
 except ImportError:
-    from urllib import quote_plus
+    from urllib import quote_plus, quote
 
 try:
     from urllib.parse import unquote
@@ -44,11 +44,6 @@ try:
 except ImportError:
     from xml.etree import ElementTree
 
-try:
-    from unittest.mock import patch, MagicMock
-except ImportError:
-    from mock import patch, MagicMock
-
 
 def makedirs(name, mode=0o777, exist_ok=False):
     """ Mimicks os.makedirs() from Python 3. """