fixed to_datetime

Author: shengyuhong

.gitignore

@@ -50,3 +50,4 @@ tags
 ./pretrain
 .idea/
 .aider*
+.python-version

scripts/data_collector/yahoo/collector.py

@@ -392,7 +392,7 @@ def normalize_yahoo(
         columns = copy.deepcopy(YahooNormalize.COLUMNS)
         df = df.copy()
         df.set_index(date_field_name, inplace=True)
-        df.index = pd.to_datetime(df.index)
+        df.index = pd.to_datetime(df.index, errors="coerce")
         df.index = df.index.tz_localize(None)
         df = df[~df.index.duplicated(keep="first")]
         if calendar_list is not None: