BUG: Infer compression by default in read_fwf() (#22199)

Author: NasaGeek

pandas/io/parsers.py

@@ -427,7 +427,7 @@ def _read(filepath_or_buffer, kwds):
         encoding = re.sub('_', '-', encoding).lower()
         kwds['encoding'] = encoding
 
-    compression = kwds.get('compression')
+    compression = kwds.get('compression', 'infer')
     compression = _infer_compression(filepath_or_buffer, compression)
     filepath_or_buffer, _, compression, should_close = get_filepath_or_buffer(
         filepath_or_buffer, encoding, compression)