diff --git a/pywal/colors.py b/pywal/colors.py
index 63200c5..246318c 100644
--- a/pywal/colors.py
+++ b/pywal/colors.py
@@ -4,7 +4,6 @@ Generate a palette using various backends.
 import logging
 import os
 import random
-import re
 import sys
 
 from . import theme
diff --git a/pywal/util.py b/pywal/util.py
index b58f5e4..10fb42c 100644
--- a/pywal/util.py
+++ b/pywal/util.py
@@ -182,9 +182,11 @@ def get_pid(name):
 
 
 def hashf(fpath):
+    """Get the md5 hash of a file."""
     return hashlib.md5(file_bytes(open(fpath, 'rb'))).hexdigest()
 
 
 def file_bytes(fpath):
+    """Helper function to read file."""
     with fpath:
         return fpath.read()