Merge branch 'develop'

rqalpha/mod/rqalpha_mod_sys_analyser/mod.py

@@ -13,16 +13,16 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import six
 import os
 import pickle
-import numpy as np
-import pandas as pd
-
+import numbers
 from collections import defaultdict
 from enum import Enum
 
+import six
+import numpy as np
+import pandas as pd
+
 from rqalpha.const import EXIT_CODE, DEFAULT_ACCOUNT_TYPE
 from rqalpha.events import EVENT
 from rqalpha.interface import AbstractMod
@@ -89,8 +89,8 @@ def _safe_convert(value, ndigits=3):
         if isinstance(value, Enum):
             return value.name
 
-        if isinstance(value, (float, np.float64, np.float32, np.float16, np.float)):
-            return round(value, ndigits)
+        if isinstance(value, numbers.Real):
+            return round(float(value), ndigits)
 
         return value