Add PEP8 style check and add bug report issue template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,38 @@
+---
+name: "\U0001F41B Bug Report"
+about: Submit a bug report to help us improve Qlib
+labels: bug
+
+---
+
+## 🐛 Bug Description
+
+<!-- A clear and concise description of what the bug is. -->
+
+## To Reproduce
+
+Steps to reproduce the behavior:
+
+1.
+1.
+1.
+
+
+## Expected Behavior
+
+<!-- A clear and concise description of what you expected to happen. -->
+
+## Screenshot
+
+<!-- A screenshot of the error message or anything shouldn't appear-->
+
+## Environment
+
+ - Qlib version:
+ - Python version:
+ - OS (`Windows`, `Linux`, `MacOS`):
+ - Commit number:
+
+## Additional Notes
+
+<!-- Add any other information about the problem here. -->

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
     - name: Install test dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest
+        pip install flake8 pytest pep8
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
 
     - name: Lint with flake8
@@ -43,6 +43,11 @@ jobs:
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
 
+    - name: Check PEP8 python code style
+      run: |
+        find . -name \*.py -exec pep8 {} +
+
+
     - name: Test with pytest
       run: |
         pytest ../qlib
@@ -57,9 +62,4 @@ jobs:
         python scripts/get_data.py qlib_data_cn --target_dir ~/.qlib/qlib_data/cn_data
         cd examples
         estimator -c estimator/estimator_config.yaml
-        jupyter nbconvert --execute estimator/analyze_from_estimator.ipynb
-    
-    
-
-    
-    
+        jupyter nbconvert --execute estimator/analyze_from_estimator.ipynb

.gitignore

@@ -31,3 +31,5 @@ mlruns/
 
 tags
 
+.pytest_cache/
+.vscode/