fix

rowers/views/workoutviews.py

@@ -13,6 +13,7 @@ from json.decoder import JSONDecodeError
 
 import ruptures as rpt
 from rowers.courses import getnearestcourses
+from pandas.errors import IntCastingNaNError 
 
 def default(o):  # pragma: no cover
     if isinstance(o, numpy.int64):
@@ -3451,7 +3452,7 @@ def workout_data_view(request, id=0):
         datadf.loc[:, 'power'] = datadf['power'].astype('int')
         datadf.loc[:, 'distance'] = datadf['distance'].astype('int')
         datadf.loc[:, 'spm'] = 10*datadf['spm'].astype('int')/10.
-    except KeyError:
+    except (KeyError, IntCastingNaNError):
         pass
 
     if request.method == 'POST':