diff --git a/tools/github_issues_to_csv b/tools/github_issues_to_csv
index ce6e1e2..c287f7c 100644
--- a/tools/github_issues_to_csv
+++ b/tools/github_issues_to_csv
@@ -8,11 +8,10 @@
 import argparse
 import csv
 import getpass
-
 import requests
 
 auth = None
-states = "all"
+states = 'all'
 
 
 def write_issues(response, csv_out):
@@ -23,45 +22,36 @@
     if response.status_code != 200:
         raise Exception(response.status_code)
     for issue in response.json():
-        if "pull_request" not in issue:
-            labels = ", ".join([lable["name"] for lable in issue["labels"]])
+        if 'pull_request' not in issue:
+            labels = ', '.join([lable['name'] for lable in issue['labels']])
 
             # Below lines to overcome "TypeError: 'NoneType' object has
             # no attribute '__getitem__'"
 
-            close_date = issue.get("closed_at")
+            close_date = issue.get('closed_at')
             if close_date:
-                close_date = issue.get("closed_at").split("T")[0]
+                close_date = issue.get('closed_at').split('T')[0]
 
-            assignee_resp = issue.get("assignees", "Not Assigned")
+            assignee_resp = issue.get('assignees', 'Not Assigned')
             if assignee_resp:
-                owners = ",".join(
-                    [
-                        assignee_login["login"]
-                        for assignee_login in assignee_resp
-                    ]
-                )
+                owners = ','.join([assignee_login['login'] for
+                                   assignee_login in assignee_resp])
             else:
                 owners = "Not Assigned"
 
-            milestone_resp = issue.get("milestone", "Not Assigned")
+            milestone_resp = issue.get('milestone', 'Not Assigned')
             if milestone_resp:
-                milestone_resp = milestone_resp["title"].encode("utf-8")
+                milestone_resp = milestone_resp['title'].encode('utf-8')
 
             # Change the following line to write out additional fields
-            csv_out.writerow(
-                [
-                    labels.encode("utf-8"),
-                    issue.get("title").encode("utf-8"),
-                    issue.get("state").encode("utf-8"),
-                    issue.get("created_at").split("T")[0],
-                    close_date,
-                    issue.get("html_url").encode("utf-8"),
-                    issue.get("user").get("login").encode("utf-8"),
-                    owners,
-                    milestone_resp,
-                ]
-            )
+            csv_out.writerow([labels.encode('utf-8'),
+                              issue.get('title').encode('utf-8'),
+                              issue.get('state').encode('utf-8'),
+                              issue.get('created_at').split('T')[0],
+                              close_date,
+                              issue.get('html_url').encode('utf-8'),
+                              issue.get('user').get('login').encode('utf-8'),
+                              owners, milestone_resp])
 
 
 def get_issues_from_github_to_csv(name, response):
@@ -75,49 +65,36 @@
     print(states)
 
     # Multiple requests are required if response is paged
-    if "link" in response.headers:
-        pages = {
-            rel[6:-1]: url[url.index("<") + 1 : -1]
-            for url, rel in (
-                link.split(";") for link in response.headers["link"].split(",")
-            )
-        }
-        while "last" in pages and "next" in pages:
-            pages = {
-                rel[6:-1]: url[url.index("<") + 1 : -1]
-                for url, rel in (
-                    link.split(";")
-                    for link in response.headers["link"].split(",")
-                )
-            }
-            response = requests.get(pages["next"], auth=auth)
+    if 'link' in response.headers:
+        pages = {rel[6:-1]: url[url.index('<') + 1:-1] for url, rel in
+                 (link.split(';') for link in
+                  response.headers['link'].split(','))}
+        while 'last' in pages and 'next' in pages:
+            pages = {rel[6:-1]: url[url.index('<') + 1:-1] for url, rel in
+                     (link.split(';') for link in
+                      response.headers['link'].split(','))}
+            response = requests.get(pages['next'], auth=auth)
             write_issues(response, csv_out)
-            if pages["next"] == pages["last"]:
+            if pages['next'] == pages['last']:
                 break
 
 
-parser = argparse.ArgumentParser(
-    description="Write GitHub repository issues to CSV file."
-)
+parser = argparse.ArgumentParser(description="Write GitHub repository issues "
+                                             "to CSV file.")
 
-parser.add_argument(
-    "username", nargs="?", help="GitHub user name, formatted as 'username'"
-)
+parser.add_argument('username', nargs='?', help="GitHub user name, "
+                    "formatted as 'username'")
 
-parser.add_argument(
-    "repositories",
-    nargs="+",
-    help="Repository names, formatted as 'basereponame/repo'",
-)
+parser.add_argument('repositories', nargs='+', help="Repository names, "
+                    "formatted as 'basereponame/repo'")
 
-parser.add_argument(
-    "--all", action="store_true", help="Returns both open and closed issues."
-)
+parser.add_argument('--all', action='store_true', help="Returns both open "
+                    "and closed issues.")
 
 args = parser.parse_args()
 
 if args.all:
-    state = "all"
+    state = 'all'
 
 username = args.username
 
@@ -128,26 +105,16 @@
 # To set the csv filename
 csvfilename = ""
 for repository in args.repositories:
-    csvfilename_temp = "{}".format(repository.replace("/", "-"))
+    csvfilename_temp = '{}'.format(repository.replace('/', '-'))
     csvfilename = csvfilename + csvfilename_temp
-csvfilename = csvfilename + "-issues.csv"
-with open(csvfilename, "w") as csvfileout:
+csvfilename = csvfilename + '-issues.csv'
+with open(csvfilename, 'w') as csvfileout:
     csv_out = csv.writer(csvfileout)
-    csv_out.writerow(
-        [
-            "Labels",
-            "Title",
-            "State",
-            "Open Date",
-            "Close Date",
-            "URL",
-            "Author",
-            "Assignees",
-            "Milestone",
-        ]
-    )
+    csv_out.writerow(['Labels', 'Title', 'State', 'Open Date',
+                      'Close Date', 'URL', 'Author', 'Assignees',
+                      'Milestone'])
     for repository in args.repositories:
-        l_url = "https://api.github.com/repos/{}/issues?state={}"
+        l_url = 'https://api.github.com/repos/{}/issues?state={}'
         l_url = l_url.format(repository, states)
         response = requests.get(l_url, auth=auth)
         write_issues(response, csv_out)