Updates is_truthy.

tasks.py

@@ -2,7 +2,6 @@
 
 import os
 import sys
-from distutils.util import strtobool
 from invoke import task
 
 try:
@@ -18,6 +17,28 @@
 # Can be set to a separate Python version to be used for launching or building image
 PYTHON_VER = os.getenv("INVOKE_PYNAUTOBOT_PYTHON_VER", os.getenv("PYTHON_VER", "3.8"))
 
+def is_truthy(arg):
+    """Convert "truthy" strings into Booleans.
+
+    Examples
+    --------
+        >>> is_truthy('yes')
+        True
+    Args:
+        arg (str): Truthy string (True values are y, yes, t, true, on and 1; false values are n, no,
+        f, false, off and 0. Raises ValueError if val is anything else.
+    """
+    if isinstance(arg, bool):
+        return arg
+
+    val = str(arg).lower()
+    if val in ("y", "yes", "t", "true", "on", "1"):
+        return True
+    elif val in ("n", "no", "f", "false", "off", "0"):
+        return False
+    else:
+        raise ValueError(f"Invalid truthy value: `{arg}`")
+
 
 def _get_image_name_and_tag():
     """Return image name and tag. Necessary to avoid double build in upstream testing"""
@@ -37,7 +58,7 @@ def _get_image_name_and_tag():
 # Gather current working directory for Docker commands
 PWD = os.getcwd()
 # Local or Docker execution provide "local" to run locally without docker execution
-INVOKE_LOCAL = strtobool(os.getenv("INVOKE_LOCAL", "False"))
+INVOKE_LOCAL = is_truthy(os.getenv("INVOKE_LOCAL", "False"))
 
 _DEFAULT_SERVICE = "pynautobot-dev"
 _DOCKER_COMPOSE_ENV = {