hash is a reserved symbol name (#282)

demo/database_auth/db_auth.py

@@ -57,6 +57,6 @@ async def check_credentials(db_engine, username, password):
         ret = await conn.execute(query)
         user = await ret.fetchone()
         if user is not None:
-            hash = user[2]
-            return sha256_crypt.verify(password, hash)
+            hashed = user[2]
+            return sha256_crypt.verify(password, hashed)
     return False

docs/example_db_auth.rst

@@ -53,7 +53,7 @@ Now you have two tables:
 +-----------------+
 | user_id         |
 +-----------------+
-| permission_name |
+| perm_name       |
 +-----------------+