diff --git a/mutt.py b/mutt.py
index 4217a0f..7893be1 100755
--- a/mutt.py
+++ b/mutt.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 
-'''
-This script provides a flexible wrapper for mailing files from a remote server with mutt
+"""
+This script provides a flexible wrapper for mailing files from a remote server
+with mutt.
 
 USAGE: mutt.py -s "Subject line" -r "address1@gmail.com, address2@gmail.com" -rt "my.address@internets.com" -m "This is my email message" /path/to/attachment1.txt /path/to/attahment2.txt
 
@@ -12,31 +13,27 @@
 mutt -s "$SUBJECT_LINE" -a "$attachment_file" -a "$summary_file" -a "$zipfile" -- "$recipient_list" <<E0F
 email message HERE
 E0F
-'''
+"""
 
 
-# ~~~~ LOAD PACKAGES ~~~~~~ #
-import sys
-import os
 import subprocess as sp
 import argparse
 
-# ~~~~ CUSTOM FUNCTIONS ~~~~~~ #
+
 def subprocess_cmd(command):
-    '''
-    Runs a terminal command with stdout piping enabled
-    '''
-    import subprocess as sp
-    process = sp.Popen(command,stdout=sp.PIPE, shell=True)
+    """Run a terminal command with stdout piping enabled."""
+    process = sp.Popen(command, stdout=sp.PIPE, shell=True)
     proc_stdout = process.communicate()[0].strip()
     print(proc_stdout)
 
+
 def make_attachement_string(attachment_files):
-    '''
-    Return a string to use to in the mutt command to include attachment files
-    ex:
+    """
+    Return a string to use to in the mutt command to include attachment files.
+
+    Example:
     -a "$attachment_file" -a "$summary_file" -a "$zipfile"
-    '''
+    """
     attachment_strings = []
     if len(attachment_files) > 0:
         for file in attachment_files:
@@ -45,21 +42,24 @@ def make_attachement_string(attachment_files):
     attachment_string = ''.join(attachment_strings)
     return(attachment_string)
 
+
 def get_file_contents(file):
-    '''
-    Return a string containing all lines in the file
-    '''
+    """Return a string containing all lines in the file."""
     lines_list = []
     with open(file) as f:
         for line in f:
             lines_list.append(line)
     return(''.join(lines_list))
 
-def mutt_mail(recipient_list, reply_to, subject_line, message, message_file, attachment_files):
-    '''
-    Send the message with mutt
-    '''
-    if message_file != None:
+
+def mutt_mail(recipient_list,
+              reply_to,
+              subject_line,
+              message,
+              message_file,
+              attachment_files):
+    """Send the message with mutt."""
+    if message_file is not None:
         message = get_file_contents(message_file)
     attachment_string = make_attachement_string(attachment_files)
     command = '''
@@ -67,27 +67,47 @@ def mutt_mail(recipient_list, reply_to, subject_line, message, message_file, att
 
 mutt -s "{1}" {2} -- "{3}" <<E0F
 {4}
-E0F'''.format(reply_to, subject_line, attachment_string, recipient_list, message) # message.replace('\n', "$'\n'")
+E0F'''.format(reply_to, subject_line, attachment_string,
+              recipient_list, message)  # message.replace('\n', "$'\n'")
     print('Email command is:\n{0}\n'.format(command))
     print('Running command, sending email...')
     subprocess_cmd(command)
 
 
-
-# ~~~~ GET SCRIPT ARGS ~~~~~~ #
 parser = argparse.ArgumentParser(description='Mutt email wrapper')
-
 # required flags
-parser.add_argument("-r", type = str, required=True, dest = 'recipient_list', metavar = 'recipient_list', help="Email(s) to be included in the recipient list") # nargs='+'
-
+parser.add_argument("-r", type=str,  # nargs='+'
+                    required=True,
+                    dest='recipient_list',
+                    metavar='recipient_list',
+                    help="Email(s) to be included in the recipient list")
 # optional positional args
-parser.add_argument("attachment_files", type = str,  nargs='*', help="Files to be attached to the email") # nargs='+' # default = [],  action='append', nargs='?',
-
+parser.add_argument("attachment_files", type=str,
+                    nargs='*',
+                    help="Files to be attached to the email")  # nargs='+' # default = [],  action='append', nargs='?',
 # optional flags
-parser.add_argument("-s", default = '[mutt.py]', type = str, dest = 'subject_line', metavar = 'subject_line', help="Subject line for the email")
-parser.add_argument("-m", default = '~ This message was sent by the mutt.py email script ~', type = str, dest = 'message', metavar = 'message', help="Message for the body of the email")
-parser.add_argument("-rt", default = '', type = str, dest = 'reply_to', metavar = 'message', help="Message for the body of the email")
-parser.add_argument("-mf", default = None, type = str, dest = 'message_file', metavar = 'message file', help="File containing text to be included in the message body of the email")
+parser.add_argument("-s", default='[mutt.py]', type=str,
+                    dest='subject_line',
+                    metavar='subject_line',
+                    help="Subject line for the email")
+parser.add_argument("-m",
+                    default='~ This message was sent by the mutt.py email script ~',
+                    type=str,
+                    dest='message',
+                    metavar='message',
+                    help="Message for the body of the email")
+parser.add_argument("-rt",
+                    default='',
+                    type=str,
+                    dest='reply_to',
+                    metavar='message',
+                    help="Message for the body of the email")
+parser.add_argument("-mf",
+                    default=None,
+                    type=str,
+                    dest='message_file',
+                    metavar='message file',
+                    help="File containing text to be included in the message body of the email")
 
 args = parser.parse_args()
 
@@ -99,4 +119,9 @@ def mutt_mail(recipient_list, reply_to, subject_line, message, message_file, att
 reply_to = args.reply_to
 
 if __name__ == "__main__":
-    mutt_mail(recipient_list = recipient_list, reply_to = reply_to, subject_line = subject_line, message = message, message_file = message_file, attachment_files = attachment_files)
+    mutt_mail(recipient_list=recipient_list,
+              reply_to=reply_to,
+              subject_line=subject_line,
+              message=message,
+              message_file=message_file,
+              attachment_files=attachment_files)