fix jit for PT1.7 (#4172)

Borda · web-flow · commit f976e85d3e91 · 2020-10-15T09:43:06.000-04:00
diff --git a/pytorch_lightning/core/lightning.py b/pytorch_lightning/core/lightning.py
@@ -65,6 +65,7 @@ class LightningModule(
         "datamodule",
         "example_input_array",
         "hparams",
+        "hparams_initial",
         "on_gpu",
         "current_epoch",
         "global_step",
