CLN: Make clipboards.py flake8-able

Author: gfyoung

pandas/util/clipboard/clipboards.py

@@ -1,5 +1,3 @@
-# flake8: noqa
-
 import sys
 import subprocess
 from .exceptions import PyperclipException
@@ -8,7 +6,7 @@
     Pyperclip could not find a copy/paste mechanism for your system.
     For more information, please visit https://pyperclip.readthedocs.org """
 PY2 = sys.version_info[0] == 2
-text_type = unicode if PY2 else str
+text_type = unicode if PY2 else str  # noqa
 
 
 def init_osx_clipboard():