Update app.py

app.py

@@ -4,6 +4,9 @@ import io
 from pyomo.environ import ConcreteModel, Var, Objective, Constraint, SolverFactory, NonNegativeReals, RangeSet, Param, minimize, value, Reals,Set
 
 def get_output(df,df1,df2):
+  df.fillna(0, inplace=True)
+  df1.fillna(0, inplace=True)
+  df2.fillna(0, inplace=True)
   n = df['ID projet'].nunique()
   task = df.groupby('ID projet').count()['Nom projet']
   project =df.groupby('ID projet').count().index