refactor: replace an assert with a type: ignore

It's not like we give away opcodes for free here.

diff --git a/psycopg/psycopg/cursor.py b/psycopg/psycopg/cursor.py
index 0e549e0844a4720ba742b9288775d1e3b45c874d..0a534d563d9e4db7653c0d1f0c134d95c41f2de8 100644 (file)
--- a/psycopg/psycopg/cursor.py
+++ b/psycopg/psycopg/cursor.py
@@ -743,8 +743,8 @@ class Cursor(BaseCursor["Connection[Any]", Row]):
             self._conn.wait(self._stream_send_gen(query, params, binary=binary))
             first = True
             while self._conn.wait(self._stream_fetchone_gen(first)):
-                rec = self._tx.load_row(0, self._make_row)
-                assert rec is not None
+                # We know that, if we got a result, it has a single row.
+                rec: Row = self._tx.load_row(0, self._make_row)  # type: ignore
                 yield rec
                 first = False