[ci skip] Update Gym version

docker/Dockerfile.cpu

@@ -11,8 +11,6 @@ RUN \
     mkdir $CODE_DIR && \
     cd $CODE_DIR && \
     pip install --upgrade pip && \
-    pip install pytest && \
-    pip install pytest-cov && \
     pip install codacy-coverage && \
     pip install scipy && \
     pip install tqdm && \
@@ -28,10 +26,11 @@ RUN \
     pip install numpy && \
     pip install pandas && \
     pip install pytest==3.5.1 && \
+    pip install pytest-cov && \
     pip install matplotlib && \
     pip install seaborn && \
     pip install glob2 && \
-    pip install gym[atari,classic_control]==0.10.5
+    pip install gym[atari,classic_control]>=0.10.9
 
 ENV PATH=$VENV/bin:$PATH
 

docker/Dockerfile.gpu

@@ -11,8 +11,6 @@ RUN \
     mkdir $CODE_DIR && \
     cd $CODE_DIR && \
     pip install --upgrade pip && \
-    pip install pytest && \
-    pip install pytest-cov && \
     pip install codacy-coverage && \
     pip install scipy && \
     pip install tqdm && \
@@ -28,10 +26,11 @@ RUN \
     pip install numpy && \
     pip install pandas && \
     pip install pytest==3.5.1 && \
+    pip install pytest-cov && \
     pip install matplotlib && \
     pip install seaborn && \
     pip install glob2 && \
-    pip install gym[atari,classic_control]==0.10.5
+    pip install gym[atari,classic_control]>=0.10.9
 
 ENV PATH=$VENV/bin:$PATH
 

docs/misc/changelog.rst

@@ -10,6 +10,7 @@ Pre-Release 2.1.2a (WIP)
 
 - added ``async_eigen_decomp`` parameter for ACKTR and set it to ``False`` by default (remove deprecation warnings)
 - added methods for calling env methods/setting attributes inside a VecEnv (thanks to @bjmuld)
+- updated gym minimum version
 
 
 Release 2.1.1 (2018-10-20)

setup.py

@@ -76,7 +76,7 @@
       packages=[package for package in find_packages()
                 if package.startswith('stable_baselines')],
       install_requires=[
-          'gym[atari,classic_control]==0.10.5',
+          'gym[atari,classic_control]>=0.10.9',
           'scipy',
           'tqdm',
           'joblib',