Fixed (instead of commenting) faulty code in reviewer.py

Based on datphan310 proposal to fix reviewer.py #58
I tested it locally and it works

reviewer.py

@@ -63,8 +63,8 @@ def bottomHTML(self):
     )
 
 def showAnswerButton(self):
-    #if not self.typeCorrect:
-    #    self.bottom.web.setFocus()
+    if not self.typeCorrect:
+        self.mw.web.setFocus()
     middle = """
 <span class=stattxt>%s</span><br>
 <button style='color: {THEME[buttons-label-color]} ;background-color:{THEME[buttons-color]}' class='btn btn-sm' title="%s" id=ansbut onclick='pycmd("ans");'>%s</button>""".format(THEME=THEME) % (
@@ -78,7 +78,7 @@ def showAnswerButton(self):
         % middle
     )
     if self.card.shouldShowTimer():
-        maxTime = self.card.timeLimit() / 1000
+        maxTime = self.card.time_limit() / 1000
     else:
         maxTime = 0
     self.bottom.web.eval("showQuestion(%s,%d);" % (json.dumps(middle), maxTime))