Tick version to 0.9.0a

Author: Ervin Teng

gym-unity/setup.py

@@ -4,12 +4,12 @@
 
 setup(
     name="gym_unity",
-    version="0.4.3",
+    version="0.4.3a",
     description="Unity Machine Learning Agents Gym Interface",
     license="Apache License 2.0",
     author="Unity Technologies",
     author_email="[email protected]",
     url="https://github.com/Unity-Technologies/ml-agents",
     packages=find_packages(),
-    install_requires=["gym", "mlagents_envs==0.9.0"],
+    install_requires=["gym", "mlagents_envs==0.9.0a"],
 )

ml-agents-envs/setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name="mlagents_envs",
-    version="0.9.0",
+    version="0.9.0a",
     description="Unity Machine Learning Agents Interface",
     url="https://github.com/Unity-Technologies/ml-agents",
     author="Unity Technologies",

ml-agents/setup.py

@@ -29,7 +29,7 @@
     ),
     zip_safe=False,
     install_requires=[
-        "mlagents_envs==0.9.0",
+        "mlagents_envs==0.9.0a",
         "tensorflow>=1.7,<1.8",
         "Pillow>=4.2.1",
         "matplotlib",