PRAW patch for reliable listing fetch

--- a/praw/models/listing/generator.py    0000-00-00 00:00:00.000000000 +0000
+++ b/praw/models/listing/generator,py    0000-00-00 00:00:00.000000000 +0000
@@ -49,6 +49,8 @@
         self.params["limit"] = limit or 1024
         self.url = url
         self.yielded = 0
+        self._counter2 = 0

     def __iter__(self) -> Iterator[Any]:
         """Permit :class:`.ListingGenerator` to operate as an iterator."""
@@ -59,7 +61,7 @@
         if self.limit is not None and self.yielded >= self.limit:
             raise StopIteration()

-        if self._listing is None or self._list_index >= len(self._listing):
+        while self._listing is None or self._list_index >= len(self._listing):
             self._next_batch()

         self._list_index += 1
@@ -84,18 +86,22 @@

     def _next_batch(self):
         if self._exhausted:
             raise StopIteration()

         self._listing = self._reddit.get(self.url, params=self.params)
         self._listing = self._extract_sublist(self._listing)
         self._list_index = 0

-        if not self._listing:
-            raise StopIteration()

-        if self._listing.after and self._listing.after != self.params.get(
-            self._listing.AFTER_PARAM
-        ):
-            self.params[self._listing.AFTER_PARAM] = self._listing.after
+        if not self._listing:
+            if self._counter2 > 5:
+                raise StopIteration()
+            self._counter2 += 1
         else:
-            self._exhausted = True
+            self._counter2 = 0
+            self.params[self._listing.AFTER_PARAM] = self._listing[-1].fullname