Get parquet contents on remote directories. (#576)

* Always send remote directory contents on read.

* Use live nested.

Author: delucchi-cmu

requirements.txt

@@ -1 +1 @@
-# empty
+git+https://github.com/lincc-frameworks/nested-pandas.git@main

src/hats/io/file_io/file_io.py

@@ -303,11 +303,9 @@ def read_parquet_file_to_pandas(file_pointer: str | Path | UPath, **kwargs) -> n
         Pandas DataFrame with the data from the parquet file(s)
     """
     file_pointer = get_upath(file_pointer)
-    # If we are trying to read a directory over http, we need to send the explicit list of files instead.
+    # If we are trying to read a remote directory, we need to send the explicit list of files instead.
     # We don't want to get the list unnecessarily because it can be expensive.
-    if (
-        isinstance(file_pointer, upath.implementations.http.HTTPPath) and file_pointer.is_dir()
-    ):  # pragma: no cover
+    if file_pointer.protocol not in ("", "file") and file_pointer.is_dir():  # pragma: no cover
         file_pointers = [f for f in file_pointer.iterdir() if f.is_file()]
         return npd.read_parquet(
             file_pointers,