diff --git a/pytorch-lightning/__init__.py b/pytorch_lightning/__init__.py
similarity index 100%
rename from pytorch-lightning/__init__.py
rename to pytorch_lightning/__init__.py
diff --git a/pytorch-lightning/models/__init__.py b/pytorch_lightning/models/__init__.py
similarity index 100%
rename from pytorch-lightning/models/__init__.py
rename to pytorch_lightning/models/__init__.py
diff --git a/pytorch-lightning/models/sample_model_template/__init__.py b/pytorch_lightning/models/sample_model_template/__init__.py
similarity index 100%
rename from pytorch-lightning/models/sample_model_template/__init__.py
rename to pytorch_lightning/models/sample_model_template/__init__.py
diff --git a/pytorch-lightning/models/sample_model_template/model_template.py b/pytorch_lightning/models/sample_model_template/model_template.py
similarity index 100%
rename from pytorch-lightning/models/sample_model_template/model_template.py
rename to pytorch_lightning/models/sample_model_template/model_template.py
diff --git a/pytorch-lightning/models/trainer.py b/pytorch_lightning/models/trainer.py
similarity index 100%
rename from pytorch-lightning/models/trainer.py
rename to pytorch_lightning/models/trainer.py
diff --git a/pytorch-lightning/root_module/__init__.py b/pytorch_lightning/root_module/__init__.py
similarity index 100%
rename from pytorch-lightning/root_module/__init__.py
rename to pytorch_lightning/root_module/__init__.py
diff --git a/pytorch-lightning/root_module/grads.py b/pytorch_lightning/root_module/grads.py
similarity index 100%
rename from pytorch-lightning/root_module/grads.py
rename to pytorch_lightning/root_module/grads.py
diff --git a/pytorch-lightning/root_module/hooks.py b/pytorch_lightning/root_module/hooks.py
similarity index 100%
rename from pytorch-lightning/root_module/hooks.py
rename to pytorch_lightning/root_module/hooks.py
diff --git a/pytorch-lightning/root_module/memory.py b/pytorch_lightning/root_module/memory.py
similarity index 100%
rename from pytorch-lightning/root_module/memory.py
rename to pytorch_lightning/root_module/memory.py
diff --git a/pytorch-lightning/root_module/model_saving.py b/pytorch_lightning/root_module/model_saving.py
similarity index 100%
rename from pytorch-lightning/root_module/model_saving.py
rename to pytorch_lightning/root_module/model_saving.py
diff --git a/pytorch-lightning/root_module/optimization.py b/pytorch_lightning/root_module/optimization.py
similarity index 100%
rename from pytorch-lightning/root_module/optimization.py
rename to pytorch_lightning/root_module/optimization.py
diff --git a/pytorch-lightning/root_module/root_module.py b/pytorch_lightning/root_module/root_module.py
similarity index 100%
rename from pytorch-lightning/root_module/root_module.py
rename to pytorch_lightning/root_module/root_module.py
diff --git a/pytorch-lightning/trainer_main.py b/pytorch_lightning/trainer_main.py
similarity index 100%
rename from pytorch-lightning/trainer_main.py
rename to pytorch_lightning/trainer_main.py
diff --git a/pytorch-lightning/utils/__init__.py b/pytorch_lightning/utils/__init__.py
similarity index 100%
rename from pytorch-lightning/utils/__init__.py
rename to pytorch_lightning/utils/__init__.py
diff --git a/pytorch-lightning/utils/arg_parse.py b/pytorch_lightning/utils/arg_parse.py
similarity index 100%
rename from pytorch-lightning/utils/arg_parse.py
rename to pytorch_lightning/utils/arg_parse.py
diff --git a/pytorch-lightning/utils/embeddings.py b/pytorch_lightning/utils/embeddings.py
similarity index 100%
rename from pytorch-lightning/utils/embeddings.py
rename to pytorch_lightning/utils/embeddings.py
diff --git a/pytorch-lightning/utils/plotting.py b/pytorch_lightning/utils/plotting.py
similarity index 100%
rename from pytorch-lightning/utils/plotting.py
rename to pytorch_lightning/utils/plotting.py
diff --git a/pytorch-lightning/utils/pt_callbacks.py b/pytorch_lightning/utils/pt_callbacks.py
similarity index 100%
rename from pytorch-lightning/utils/pt_callbacks.py
rename to pytorch_lightning/utils/pt_callbacks.py
diff --git a/setup.py b/setup.py
index 2c79baa1..ffae9124 100755
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 # http://blog.ionelmc.ro/2014/05/25/python-packaging/
 setup(
     name="pytorch-lightning",
-    version='0.1.2',
+    version='0.1.dev12',
     description="The Keras for ML researchers using PyTorch",
     author="William Falcon",
     author_email="waf2107@columbia.edu",