Remove unused function.

cubids/utils.py

@@ -4,7 +4,6 @@
 """
 
 import json
-import re
 from pathlib import Path
 
 import numpy as np
@@ -15,35 +14,6 @@
 from cubids.constants import ID_VARS, NON_KEY_ENTITIES
 
 
-def _get_container_type(image_name):
-    """Get and return the container type.
-
-    Parameters
-    ----------
-    image_name : :obj:`str`
-        The name of the container image.
-
-    Returns
-    -------
-    :obj:`str`
-        The container type, either "docker" or "singularity".
-
-    Raises
-    ------
-    :obj:`Exception`
-        If the container type cannot be determined.
-    """
-    # If it's a file on disk, it must be a singularity image
-    if Path(image_name).exists():
-        return "singularity"
-
-    # It needs to match a docker tag pattern to be docker
-    if re.match(r"(?:.+\/)?([^:]+)(?::.+)?", image_name):
-        return "docker"
-
-    raise Exception("Unable to determine the container type of " + image_name)
-
-
 def _compress_lists(df):
     """Compress lists in a DataFrame to strings.