Fix the Errors/Warnings when building Qlib's documentation (#1381)

* Fix the Errors/Warnings when building Qlib's documentation

* Fix

* Fix

* Empty

* Test CI

* Add doc compiling checking to CI

* Fix

* Tries to be consistent with Makefile

Co-authored-by: you-n-g <you-n-g@users.noreply.github.com>

docs/Makefile

@@ -17,4 +17,5 @@ help:
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
+	pip install -r requirements.txt
 	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/reference/api.rst

@@ -117,7 +117,7 @@ Model
 Strategy
 --------
 
-.. automodule:: qlib.contrib.strategy.strategy
+.. automodule:: qlib.contrib.strategy
     :members:
 
 Evaluate
@@ -255,7 +255,7 @@ Utils
 Serializable
 ------------
 
-.. automodule:: qlib.utils.serial.Serializable
+.. automodule:: qlib.utils.serial
     :members:
 
 RL

docs/requirements.txt

@@ -4,3 +4,4 @@ numpy
 scipy
 scikit-learn
 pandas
+tianshou