Adjustments for mypy upgrade

mypy.ini

@@ -18,10 +18,6 @@ disallow_untyped_decorators = True
 # no_implicit_optional = True
 # warn_return_any = True
 
-[mypy-faulthandler]
-# https://github.com/python/typeshed/pull/2627
-ignore_missing_imports = True
-
 [mypy-colorama]
 # https://github.com/tartley/colorama/issues/206
 ignore_missing_imports = True

qutebrowser/utils/utils.py

@@ -45,7 +45,8 @@ try:
                       CSafeDumper as YamlDumper)
     YAML_C_EXT = True
 except ImportError:  # pragma: no cover
-    from yaml import SafeLoader as YamlLoader, SafeDumper as YamlDumper
+    from yaml import (SafeLoader as YamlLoader,  # type: ignore
+                      SafeDumper as YamlDumper)
     YAML_C_EXT = False
 
 import qutebrowser