fix instance check

Lightning-AI · Jun 29, 2020 · 6901093 · 6901093
1 parent d50a2f1
commit 6901093
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pytorch_lightning/trainer/supporters.py b/pytorch_lightning/trainer/supporters.py
@@ -189,7 +189,7 @@ def _wrap_loaders_max_size_cycle(self) -> Any:
                                                for v in self.loaders])
 
         # dataloaders are iterable but not sequence
-        elif isinstance(Iterable):
+        elif isinstance(self.loaders, Iterable):
             self.loaders = CycleIterator(self.loaders, length=length)
         else:
             raise ValueError(f'Invalid Datatype for loaders: {type(self.loaders).__name__}')