diff --git a/anki/collection.py b/anki/collection.py
index 370391980..fb39e6339 100644
--- a/anki/collection.py
+++ b/anki/collection.py
@@ -697,7 +697,7 @@ where c.nid == f.id
     def _undoReview(self):
         data = self._undo[2]
         wasLeech = self._undo[3]
-        c = data.pop()
+        c = data.pop() # pytype: disable=attribute-error
         if not data:
             self.clearUndo()
         # remove leech tag if it didn't have it before
diff --git a/anki/find.py b/anki/find.py
index 8ebca5346..e4d5f7a21 100644
--- a/anki/find.py
+++ b/anki/find.py
@@ -316,7 +316,7 @@ select distinct(n.id) from cards c, notes n where c.nid=n.id and """+preds
         if not m:
             return
         prop, cmp, val = m.groups()
-        prop = prop.lower()
+        prop = prop.lower() # pytype: disable=attribute-error
         # is val valid?
         try:
             if prop == "ease":
diff --git a/anki/stats.py b/anki/stats.py
index 197ef0733..69df4b935 100644
--- a/anki/stats.py
+++ b/anki/stats.py
@@ -830,7 +830,7 @@ from cards where did in %s""" % self._limit())
         height = self.height
         if type == "bars":
             conf['series']['bars'] = dict(
-                show=True, barWidth=0.8, align="center", fill=0.7, lineWidth=0)
+                show=True, barWidth=0.8, align="center", fill=0.7, lineWidth=0) # pytype: disable=unsupported-operands
         elif type == "barsLine":
             print("deprecated - use 'bars' instead")
             conf['series']['bars'] = dict(
diff --git a/anki/sync.py b/anki/sync.py
index 1648bf871..48de878ef 100644
--- a/anki/sync.py
+++ b/anki/sync.py
@@ -458,10 +458,10 @@ class AnkiRequestsClient:
         self.session = requests.Session()
 
     def post(self, url, data, headers):
-        data = _MonitoringFile(data)
+        data = _MonitoringFile(data) # pytype: disable=wrong-arg-types
         headers['User-Agent'] = self._agentName()
         return self.session.post(
-            url, data=data, headers=headers, stream=True, timeout=self.timeout, verify=self.verify)
+            url, data=data, headers=headers, stream=True, timeout=self.timeout, verify=self.verify) # pytype: disable=wrong-arg-types
 
     def get(self, url, headers=None):
         if headers is None: