Use specific Dict types

Author: Antetokounpo

pandas/io/common.py

@@ -176,7 +176,7 @@ def get_filepath_or_buffer(
     compression: CompressionOptions = None,
     mode: ModeVar = None,  # type: ignore[assignment]
     storage_options: StorageOptions = None,
-    headers: dict = {},
+    headers: Dict[str, Any] = {},
 ) -> IOargs[ModeVar, EncodingVar]:
     """
     If the filepath_or_buffer is a url, translate and return the buffer.

pandas/io/json/_json.py

@@ -3,7 +3,7 @@
 from io import BytesIO, StringIO
 from itertools import islice
 import os
-from typing import IO, Any, Callable, List, Optional, Type
+from typing import IO, Any, Callable, Dict, List, Optional, Type
 
 import numpy as np
 
@@ -377,7 +377,7 @@ def read_json(
     compression: CompressionOptions = "infer",
     nrows: Optional[int] = None,
     storage_options: StorageOptions = None,
-    headers: dict = {},
+    headers: Dict[str, Any] = {},
 ):
     """
     Convert a JSON string to pandas object.

pandas/io/parsers.py

@@ -604,7 +604,7 @@ def read_csv(
     memory_map=False,
     float_precision=None,
     storage_options: StorageOptions = None,
-    headers={},
+    headers: Dict[str, Any] = {},
 ):
     # gh-23761
     #