Fix pep8/pylint

qutebrowser/browser/network/qutescheme.py

@@ -34,7 +34,6 @@ import configparser
 
 from PyQt5.QtCore import pyqtSlot, QObject
 from PyQt5.QtNetwork import QNetworkReply
-from PyQt5.QtWebKit import QWebSecurityOrigin
 
 import qutebrowser
 from qutebrowser.browser import pdfjs

qutebrowser/browser/pdfjs.py

@@ -107,7 +107,7 @@ def get_pdfjs_res(path):
     # First try a system wide installation
     # System installations might strip off the 'build/' or 'web/' prefixes.
     # qute expects them, so we need to adjust for it.
-    names_to_try = [path, path[path.index('/')+1:]]
+    names_to_try = [path, path[path.index('/') + 1:]]
     for system_path in SYSTEM_PDFJS_PATHS:
         content = _read_from_system(system_path, names_to_try)
         if content is not None:

qutebrowser/browser/webpage.py

@@ -223,6 +223,8 @@ class BrowserPage(QWebPage):
         try:
             page = pdfjs.generate_pdfjs_page(reply.url()).encode('utf-8')
         except pdfjs.PDFJSNotFound:
+            # pylint: disable=no-member
+            # Instance of 'str' has no 'render' member (no-member)
             page = (jinja.env.get_template('no_pdfjs.html')
                     .render(url=reply.url().toDisplayString())
                     .encode('utf-8'))

scripts/dev/update_3rdparty.py

@@ -43,6 +43,7 @@ def get_latest_pdfjs_url():
 
 
 def update_pdfjs():
+    """Download and extract the latest pdf.js version."""
     version, url = get_latest_pdfjs_url()
     target_path = os.path.join('qutebrowser', '3rdparty', 'pdfjs')
     print("=> Downloading pdf.js {}".format(version))
@@ -56,8 +57,6 @@ def update_pdfjs():
         shutil.unpack_archive(archive, target_path, 'zip')
 
 
-
-
 def main():
     update_pdfjs()