Update app.py

app.py

@@ -248,6 +248,10 @@ def process_row_BioPortal_api(args, key_bioportal, row):
     try:
         data = response.json()
 
+        if not data:
+            # nothing found from Bioportal
+            return pd.DataFrame()
+
         dff = pd.DataFrame(data)
         dff = dff.drop(columns=['hierarchy', 'mappings'])
 
@@ -1090,6 +1094,10 @@ def getUrlBioAndAllOtherBioConcepts(word, args, key_virtuoso, cache_map_virtuoso
             try:
                 data = response.json()
 
+                if not data:
+                    # nothing found from Bioportal
+                    return None, None, None, None, None, cache_map_virtuoso
+
                 dff = pd.DataFrame(data)
                 dff = dff.drop(columns=['hierarchy', 'mappings'])
 
@@ -2148,7 +2156,7 @@ def nerBio(text, ModelsSelection, CategoriesSelection, ScoreFilt, EntityLinking,
             condition = missing_sentence_refs & quoted_context
 
             # Select rows from df_ToAnnotate that meet the condition
-            rows_to_add = df_ToAnnotate[condition]
+            rows_to_add = df_ToAnnotate[condition].copy()
 
             rows_to_add['model'] = "Forced"
             rows_to_add['entity_group'] = "MISC"