mypy: Ignore ImportError handling

See https://github.com/python/mypy/issues/1153

qutebrowser/browser/qutescheme.py

@@ -37,7 +37,7 @@ try:
     import secrets
 except ImportError:
     # New in Python 3.6
-    secrets = None
+    secrets = None  # type: ignore
 
 from PyQt5.QtCore import QUrlQuery, QUrl, qVersion
 

qutebrowser/misc/checkpyver.py

@@ -30,12 +30,12 @@ try:
 except ImportError:  # pragma: no cover
     try:
         # Python2
-        from Tkinter import Tk
-        import tkMessageBox as messagebox
+        from Tkinter import Tk  # type: ignore
+        import tkMessageBox as messagebox  # type: ignore
     except ImportError:
         # Some Python without Tk
-        Tk = None
-        messagebox = None
+        Tk = None  # type: ignore
+        messagebox = None  # type: ignore
 
 
 # First we check the version of Python. This code should run fine with python2

qutebrowser/misc/earlyinit.py

@@ -38,7 +38,7 @@ import datetime
 try:
     import tkinter
 except ImportError:
-    tkinter = None
+    tkinter = None  # type: ignore
 
 # NOTE: No qutebrowser or PyQt import should be done here, as some early
 # initialization needs to take place before that!

qutebrowser/qt.py

@@ -25,4 +25,4 @@
 try:
     from PyQt5 import sip
 except ImportError:
-    import sip
+    import sip  # type: ignore

qutebrowser/utils/qtutils.py

@@ -39,7 +39,7 @@ from PyQt5.QtCore import (qVersion, QEventLoop, QDataStream, QByteArray,
 try:
     from PyQt5.QtWebKit import qWebKitVersion
 except ImportError:  # pragma: no cover
-    qWebKitVersion = None
+    qWebKitVersion = None  # type: ignore
 
 
 MAXVALS = {

qutebrowser/utils/version.py

@@ -42,12 +42,12 @@ from PyQt5.QtWidgets import QApplication
 try:
     from PyQt5.QtWebKit import qWebKitVersion
 except ImportError:  # pragma: no cover
-    qWebKitVersion = None
+    qWebKitVersion = None  # type: ignore
 
 try:
     from PyQt5.QtWebEngineWidgets import QWebEngineProfile
 except ImportError:  # pragma: no cover
-    QWebEngineProfile = None
+    QWebEngineProfile = None  # type: ignore
 
 import qutebrowser
 from qutebrowser.utils import log, utils, standarddir, usertypes, message