Fix warning when loading a RecurrentPPO model (#255)

* Reformat configs

* Fix warning when loading RecurrentPPO agent

.github/workflows/ci.yml

@@ -5,9 +5,9 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   build:
@@ -22,42 +22,42 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        # cpu version of pytorch
-        pip install torch==2.1.1 --index-url https://download.pytorch.org/whl/cpu
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          # cpu version of pytorch
+          pip install torch==2.1.1 --index-url https://download.pytorch.org/whl/cpu
 
-        # Install Atari Roms
-        pip install autorom
-        wget https://gist.githubusercontent.com/jjshoots/61b22aefce4456920ba99f2c36906eda/raw/00046ac3403768bfe45857610a3d333b8e35e026/Roms.tar.gz.b64
-        base64 Roms.tar.gz.b64 --decode &> Roms.tar.gz
-        AutoROM --accept-license --source-file Roms.tar.gz
+          # Install Atari Roms
+          pip install autorom
+          wget https://gist.githubusercontent.com/jjshoots/61b22aefce4456920ba99f2c36906eda/raw/00046ac3403768bfe45857610a3d333b8e35e026/Roms.tar.gz.b64
+          base64 Roms.tar.gz.b64 --decode &> Roms.tar.gz
+          AutoROM --accept-license --source-file Roms.tar.gz
 
-        # Install master version
-        # and dependencies for docs and tests
-        pip install "stable_baselines3[extra_no_roms,tests,docs] @ git+https://github.com/DLR-RM/stable-baselines3"
-        pip install .
-        # Use headless version
-        pip install opencv-python-headless
+          # Install master version
+          # and dependencies for docs and tests
+          pip install "stable_baselines3[extra_no_roms,tests,docs] @ git+https://github.com/DLR-RM/stable-baselines3"
+          pip install .
+          # Use headless version
+          pip install opencv-python-headless
 
-    - name: Lint with ruff
-      run: |
-        make lint
-    - name: Check codestyle
-      run: |
-        make check-codestyle
-    - name: Build the doc
-      run: |
-        make doc
-    - name: Type check
-      run: |
-        make type
-    - name: Test with pytest
-      run: |
-        make pytest
+      - name: Lint with ruff
+        run: |
+          make lint
+      - name: Check codestyle
+        run: |
+          make check-codestyle
+      - name: Build the doc
+        run: |
+          make doc
+      - name: Type check
+        run: |
+          make type
+      - name: Test with pytest
+        run: |
+          make pytest

docs/misc/changelog.rst

@@ -4,7 +4,7 @@ Changelog
 ==========
 
 
-Release 2.4.0a4 (WIP)
+Release 2.4.0a8 (WIP)
 --------------------------
 
 Breaking Changes:
@@ -18,6 +18,7 @@ Bug Fixes:
 ^^^^^^^^^^
 - Updated QR-DQN optimizer input to only include quantile_net parameters (@corentinlger)
 - Updated QR-DQN paper link in docs (@corentinlger)
+- Fixed a warning with PyTorch 2.4 when loading a `RecurrentPPO` model (You are using torch.load with weights_only=False)
 
 Deprecations:
 ^^^^^^^^^^^^^

pyproject.toml

@@ -12,7 +12,7 @@ ignore = ["B028", "RUF013"]
 
 [tool.ruff.lint.per-file-ignores]
 # ClassVar, implicit optional check not needed for tests
-"./tests/*.py"= ["RUF012", "RUF013"]
+"./tests/*.py" = ["RUF012", "RUF013"]
 
 [tool.ruff.lint.mccabe]
 # Unlike Flake8, ruff default to a complexity level of 10.
@@ -35,22 +35,22 @@ exclude = """(?x)(
 
 [tool.pytest.ini_options]
 # Deterministic ordering for tests; useful for pytest-xdist.
-env = [
-	"PYTHONHASHSEED=0"
-]
+env = ["PYTHONHASHSEED=0"]
 
 filterwarnings = [
     # Tensorboard warnings
     "ignore::DeprecationWarning:tensorboard",
 ]
-markers = [
-    "slow: marks tests as slow (deselect with '-m \"not slow\"')"
-]
+markers = ["slow: marks tests as slow (deselect with '-m \"not slow\"')"]
 
 [tool.coverage.run]
 disable_warnings = ["couldnt-parse"]
 branch = false
 omit = ["tests/*", "setup.py"]
 
 [tool.coverage.report]
-exclude_lines = [ "pragma: no cover", "raise NotImplementedError()", "if typing.TYPE_CHECKING:"]
+exclude_lines = [
+    "pragma: no cover",
+    "raise NotImplementedError()",
+    "if typing.TYPE_CHECKING:",
+]

sb3_contrib/common/maskable/policies.py

@@ -304,7 +304,7 @@ def predict(
         with th.no_grad():
             actions = self._predict(obs_tensor, deterministic=deterministic, action_masks=action_masks)
             # Convert to numpy
-            actions = actions.cpu().numpy()
+            actions = actions.cpu().numpy()  # type: ignore[assignment]
 
         if isinstance(self.action_space, spaces.Box):
             if self.squash_output:

sb3_contrib/ppo_recurrent/ppo_recurrent.py

@@ -1,5 +1,5 @@
 from copy import deepcopy
-from typing import Any, ClassVar, Dict, Optional, Type, TypeVar, Union
+from typing import Any, ClassVar, Dict, List, Optional, Type, TypeVar, Union
 
 import numpy as np
 import torch as th
@@ -455,3 +455,6 @@ def learn(
             reset_num_timesteps=reset_num_timesteps,
             progress_bar=progress_bar,
         )
+
+    def _excluded_save_params(self) -> List[str]:
+        return super()._excluded_save_params() + ["_last_lstm_states"]  # noqa: RUF005

sb3_contrib/version.txt

@@ -1 +1 @@
-2.4.0a4
+2.4.0a8