Remove old column handling

km3buu/output.py

@@ -220,7 +220,6 @@ class GiBUUOutput:
                 ) + 1
                 tmp_df.index = tmp_df.index.set_levels(new_indices, level=0)
                 df = df.append(tmp_df)
-        df.columns = [col[0] for col in df.columns]
         sec_df = df[df.index.get_level_values(1) == 0]
         sec_df.loc[:, "E"] = sec_df.lepOut_E
         sec_df.loc[:, "Px"] = sec_df.lepOut_Px

requirements.txt

@@ -7,6 +7,6 @@ particle
 click
 f90nml
 uproot4
-awkward1
+awkward1>=0.4.4
 pandas
 mendeleev