fix failure to start on new install - lang init needs to be deferred

aqt/__init__.py

@@ -392,12 +392,14 @@ environment points to a valid, writable folder.""",
         )
         return
 
+    if pmLoadResult.firstTime:
+        pm.setDefaultLang()
+
     if pmLoadResult.loadError:
         QMessageBox.warning(
             None,
             "Preferences Corrupt",
-            """\
-    Anki's prefs21.db file was corrupt and has been recreated. If you were using multiple \
+            """Anki's prefs21.db file was corrupt and has been recreated. If you were using multiple \
     profiles, please add them back using the same names to recover your cards.""",
         )
 

aqt/profiles.py

@@ -385,7 +385,6 @@ create table if not exists profiles
             "insert or replace into profiles values ('_global', ?)",
             self._pickle(metaConf),
         )
-        self._setDefaultLang()
         return result
 
     def _ensureProfile(self):
@@ -409,7 +408,7 @@ please see:
     ######################################################################
     # On first run, allow the user to choose the default language
 
-    def _setDefaultLang(self):
+    def setDefaultLang(self):
         # create dialog
         class NoCloseDiag(QDialog):
             def reject(self):
@@ -452,7 +451,7 @@ please see:
             None, "Anki", en % name, QMessageBox.Yes | QMessageBox.No, QMessageBox.No
         )
         if r != QMessageBox.Yes:
-            return self._setDefaultLang()
+            return self.setDefaultLang()
         self.setLang(code)
 
     def setLang(self, code):

aqt/webview.py

@@ -417,6 +417,7 @@ body {{ zoom: {}; background: {}; {} }}
 
     def _onHeight(self, qvar):
         from aqt import mw
+
         if qvar is None:
 
             mw.progress.timer(1000, mw.reset, False)