add isinstance to filter on str inputs only

Author: KevsterAmp

pandas/io/common.py

@@ -584,7 +584,7 @@ def infer_compression(
     # Infer compression
     if compression == "infer":
         # Convert all path types (e.g. pathlib.Path) to strings
-        if "::" in filepath_or_buffer:
+        if isinstance(filepath_or_buffer, str) and "::" in filepath_or_buffer:
             # chained URLs contain ::
             filepath_or_buffer = filepath_or_buffer.split("::")[0]
         filepath_or_buffer = stringify_path(filepath_or_buffer, convert_file_like=True)