[Doc] Fix tutos (#2772)

Author: vmoens

.github/workflows/docs.yml

@@ -107,6 +107,8 @@ jobs:
         cd ..
         
         # 11. Build doc
+        export MAX_IDLE_COUNT=180 # Max 180 secs before killing an unresponsive collector
+        export BATCHED_PIPE_TIMEOUT=180
         cd ./docs
         # timeout 7m bash -ic "MUJOCO_GL=egl sphinx-build ./source _local_build" || code=$?; if [[ $code -ne 124 && $code -ne 0 ]]; then exit $code; fi
         # bash -ic "PYOPENGL_PLATFORM=egl MUJOCO_GL=egl sphinx-build ./source _local_build" || code=$?; if [[ $code -ne 124 && $code -ne 0 ]]; then exit $code; fi

docs/source/conf.py

@@ -97,6 +97,7 @@
     "abort_on_example_error": True,
     "show_memory": True,
     "capture_repr": ("_repr_html_", "__repr__"),  # capture representations
+    "write_computation_times": True,
 }
 
 napoleon_use_ivar = True

tutorials/sphinx-tutorials/coding_ddpg.py

@@ -1185,6 +1185,12 @@ def ceil_div(x, y):
 collector.shutdown()
 del collector
 
+try:
+    parallel_env.close()
+    del parallel_env
+except Exception:
+    pass
+
 ###############################################################################
 # Experiment results
 # ------------------

tutorials/sphinx-tutorials/coding_dqn.py

@@ -751,6 +751,9 @@ def print_csv_files_in_folder(folder_path):
 
 print_csv_files_in_folder(logger.experiment.log_dir)
 
+trainer.shutdown()
+del trainer
+
 ###############################################################################
 # Conclusion and possible improvements
 # ------------------------------------