Fix fr_tracking data errors

Drop duplicates in fr_tracking data if any

modules/significant.py

@@ -48,6 +48,13 @@ def read_csv_data(
     except UnicodeDecodeError:
         df_pd = pd_read_csv(url, usecols=cols, encoding="latin")
     
+    # drop duplicates if any (to avoid dashboard crush; original data need to be revised)
+    if len(df_pd[df_pd.duplicated(subset=['document_number'],keep=False)])>0:
+        df_pd=df_pd.sort_values(['document_number','publication_date','significant','3(f)(1) significant','Major']).\
+            drop_duplicates(subset=['document_number'],keep='last',ignore_index=True)
+    else:
+        pass
+
     df_pd.loc[:, "publication_dt"] = to_datetime(df_pd["publication_date"], format="mixed", dayfirst=False, yearfirst=False)
     max_date = max(df_pd.loc[:, "publication_dt"].to_list()).date()
     #print(max_date)