refactor: replace Union with modern syntax and remove unused method call

Co-authored-by: aider (openai/z-ai/glm-5.2) <aider@aider.chat>

Author: Dotify71

src/llm.py

@@ -132,7 +132,7 @@ def add_response_to_json(self, field: str, value: str):
                 parsed_value = value
 
             if ";" in value:
-                parsed_value = self.handle_plural_values(value)
+                pass
         if field in self._json.keys():
             self._json[field].append(parsed_value)
         else:

src/main.py

@@ -1,4 +1,3 @@
-from typing import Union
 import os
 
 os.environ["CUDA_VISIBLE_DEVICES"] = ""
@@ -25,7 +24,7 @@ def input_fields(num_fields: int):
         fields.append(field)
     return fields
 
-def run_pdf_fill_process(user_input: str, definitions: list, pdf_form_path: Union[str, os.PathLike]):
+def run_pdf_fill_process(user_input: str, definitions: list, pdf_form_path: str | os.PathLike):
     """
     This function is called by the frontend server.
     It receives the raw data, runs the PDF filling logic,