Change io.open to open, since regular open in Python 3 already suppor…

…ts encoding

register.py

@@ -1,11 +1,11 @@
 import pypandoc
-import io
+from io import open
 
 output = pypandoc.convert('README.md', 'rst')
 with open('README.txt' 'w+') as f:
     f.write(str(output.encode('utf-8')))
 
-readme_rst = io.open('./README.txt', 'r', encoding='utf-8').read()
+readme_rst = open('./README.txt', 'r', encoding='utf-8').read()
 replace = '''
             .. figure:: https://uiux.s3.amazonaws.com/2016-logos/email-logo
             %402x.png\n   :alt: SendGrid Logo\n\n   SendGrid Logo\n
@@ -16,5 +16,5 @@
                 \n   :target: https://www.sendgrid.com
               '''
 final_text = readme_rst.replace(replace, replacement)
-with io.open('./README.txt', 'w', encoding='utf-8') as f:
+with open('./README.txt', 'w', encoding='utf-8') as f:
   f.write(final_text)

sendgrid/helpers/inbound/send.py

@@ -2,7 +2,7 @@
 Usage: ./send.py [path to file containing test data]"""
 import argparse
 import sys
-import io
+from io import open
 try:
     from config import Config
 except ImportError:
@@ -27,7 +27,7 @@ def test_payload(self, payload_filepath):
             "Content-Type": "multipart/form-data; boundary=xYzZY"
         }
         client = Client(host=self.url, request_headers=headers)
-        f = io.open(payload_filepath, 'r', encoding='utf-8')
+        f = open(payload_filepath, 'r', encoding='utf-8')
         data = f.read()
         return client.post(request_body=data)
 

setup.py

@@ -1,6 +1,6 @@
 import sys
 import os
-import io
+from io import open
 from setuptools import setup, find_packages
 
 __version__ = None
@@ -9,7 +9,7 @@
 
 long_description = 'Please see our GitHub README'
 if os.path.exists('README.txt'):
-    long_description = io.open('README.txt', 'r', encoding='utf-8').read()
+    long_description = open('README.txt', 'r', encoding='utf-8').read()
 
 
 def getRequires():