Fix pylint and mypy

haystack/components/converters/azure.py

@@ -115,8 +115,7 @@ def run(self, sources: List[Union[str, Path, ByteStream]], meta: Optional[List[D
  """
  documents = []
  azure_output = []
- meta_list = normalize_metadata(meta=meta, sources_count=len(sources))
-
+ meta_list: List[Dict[str, Any]] = normalize_metadata(meta=meta, sources_count=len(sources))
  for source, metadata in zip(sources, meta_list):
  try:
  bytestream = get_bytestream_from_source(source=source)
@@ -130,7 +129,7 @@ def run(self, sources: List[Union[str, Path, ByteStream]], meta: Optional[List[D
  result = poller.result()
  azure_output.append(result.to_dict())
 
- docs = self._convert_tables_and_text(result=result, meta=meta)
+ docs = self._convert_tables_and_text(result=result, meta=metadata)
  documents.extend(docs)
 
  return {"documents": documents, "raw_azure_response": azure_output}
@@ -282,7 +281,7 @@ def _convert_tables(self, result: "AnalyzeResult", meta: Optional[Dict[str, Any]
 
  return converted_tables
 
- def _convert_to_natural_text(self, result: "AnalyzeResult", meta: Optional[Dict[str, str]]) -> Document:
+ def _convert_to_natural_text(self, result: "AnalyzeResult", meta: Optional[Dict[str, Any]]) -> Document:
  """
  This converts the `AnalyzeResult` object into a single Document. We add "\f" separators between to
  differentiate between the text on separate pages. This is the expected format for the PreProcessor.
@@ -322,7 +321,7 @@ def _convert_to_natural_text(self, result: "AnalyzeResult", meta: Optional[Dict[
  logger.warning("No text paragraphs were detected by the OCR conversion.")
 
  all_text = "\f".join(texts)
- return Document(content=all_text, meta=meta)
+ return Document(content=all_text, meta=meta if meta else {})
 
  def _convert_to_single_column_text(
  self, result: "AnalyzeResult", meta: Optional[Dict[str, str]], threshold_y: float = 0.05
@@ -359,9 +358,8 @@ def _convert_to_single_column_text(
  # Default if polygon is not available
  else:
  logger.info(
- "Polygon information for lines on page %s is not available so it is not possible to enforce a "
- "single column page layout.",
- page_idx,
+ "Polygon information for lines on page {page_idx} is not available so it is not possible "
+ "to enforce a single column page layout.".format(page_idx=page_idx)
  )
  for i in range(len(lines)):
  pairs_by_page[page_idx].append([i, i])
@@ -411,7 +409,7 @@ def _convert_to_single_column_text(
  page_text += "\n"
  texts.append(page_text)
  all_text = "\f".join(texts)
- return Document(content=all_text, meta=meta)
+ return Document(content=all_text, meta=meta if meta else {})
 
  def _collect_table_spans(self, result: "AnalyzeResult") -> Dict:
  """