fix previous commit

brat.py

@@ -89,11 +89,12 @@ def example_to_document(
             if len(starts) > 1:
                 # check if the text in between the fragments holds only space
                 merged_content_spans = list(zip(ends[:-1],starts[1:]))
-                merged_content_spans_filtered = [s.trim() for s in merged_content_spans if s.trim() != ""]
-                if len(merged_content_spans_filtered) > 0:
+                merged_content_texts = [doc.text[strart:end] for starte, end in merged_content_spans]
+                merged_content_texts_filtered = [text.trim() for text in merged_content_texts if text.trim() != ""]
+                if len(merged_content_texts_filtered) > 0:
                     logger.warning(
                         f"document '{doc.id}' contains a non-contiguous span (will be merged into a single span): "
-                        f"newly covered text parts: {merged_content_spans_filtered}, "
+                        f"newly covered text parts: {merged_content_texts_filtered}, "
                         f"merged span text: '{doc.text[starts[0]:ends[-1]]}', "
                         f"annotation: {span_dict}"
                     )