add check for permission errors

bink.py

@@ -72,10 +72,11 @@ def generate_feed(before=None, count=200):
     posts.sort(key=lambda x: x[0], reverse=True)
     blogs = []
     for time, user, path in posts[:count]:
-        # try:
-        with open(path, "r", encoding="UTF-8") as f:
-            body = f.read()
-        # except
+        try:
+            with open(path, "r", encoding="UTF-8") as f:
+                body = f.read()
+        except PermissionError:
+            continue
         obj = {
             "user": user,
             "time": time,