avoid running on qt 5.11

updates will be needed for Qt's latest round of breaking changes

README.development

@@ -12,8 +12,8 @@ provide support for problems you encounter when running from source.
 
 Anki requires:
 
- - Python 3.6+
- - Qt 5.9+ and a PyQT that supports it
+ - Python 3.5+
+ - Qt 5.9.x and a PyQT that supports it
  - mpv
  - lame
 

aqt/qt.py

@@ -38,7 +38,5 @@ qtmajor = (QT_VERSION & 0xff0000) >> 16
 qtminor = (QT_VERSION & 0x00ff00) >> 8
 qtpoint = QT_VERSION & 0xff
 
-if qtmajor < 5 or (qtmajor == 5 and qtminor < 9):
-    raise Exception("Anki requires Qt 5.9.0+")
-if qtmajor == 5 and qtminor == 10:
-    raise Exception("Qt 5.10 is known to be buggy.")
+if qtmajor != 5 or qtminor != 9:
+    raise Exception("Anki only supports Qt 5.9.x at this time.")