CLN: More cleanup and comments

Author: gfyoung

pandas/io/common.py

@@ -4,8 +4,8 @@
 import codecs
 import csv
 import gzip
-import lzma
 from http.client import HTTPException  # noqa
+import lzma
 import mmap
 import os
 from urllib.error import URLError  # noqa
@@ -491,8 +491,10 @@ def next(self):
         return next(self.reader).encode("utf-8")
 
 
+# Keeping these class for now because it provides a necessary convenience
+# for "dropping" the "encoding" argument from our I/O arguments when
+# creating a Unicode I/O object.
 def UnicodeReader(f, dialect=csv.excel, encoding="utf-8", **kwds):
-    # ignore encoding
     return csv.reader(f, dialect=dialect, **kwds)
 
 

pandas/io/formats/terminal.py

@@ -1,7 +1,6 @@
 """
 Terminal utilities.
 """
-from __future__ import print_function
 
 __all__ = ['is_terminal']