update requirements

Author: adamltyson

setup.py

@@ -5,6 +5,7 @@
     name="fancylog",
     version="0.0.7",
     description="Fancier logging in Python",
+    install_requires=["packaging"],
     extras_require={"dev": ["black", "pytest-cov", "pytest", "coveralls"]},
     python_requires=">=3.6",
     packages=find_packages(),