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>

qlib/contrib/evaluate.py

@@ -96,9 +96,11 @@ def indicator_analysis(df, method="mean"):
         index: Index(datetime)
     method : str, optional
         statistics method of pa/ffr, by default "mean"
+
         - if method is 'mean', count the mean statistical value of each trade indicator
         - if method is 'amount_weighted', count the deal_amount weighted mean statistical value of each trade indicator
         - if method is 'value_weighted', count the value weighted mean statistical value of each trade indicator
+
         Note: statistics method of pos is always "mean"
 
     Returns
@@ -154,6 +156,7 @@ def backtest_daily(
         E.g.
 
         .. code-block:: python
+
             # dict
             strategy = {
                 "class": "TopkDropoutStrategy",
@@ -180,7 +183,6 @@ def backtest_daily(
             # 3) specify module path with class name
             #     - "a.b.c.ClassName" getattr(<a.b.c.module>, "ClassName")() will be used.
 
-
     executor : Union[str, dict, BaseExecutor]
         for initializing the outermost executor.
     benchmark: str