install setuptools

setup.py

@@ -18,7 +18,7 @@
     license="GPLv3",
     description="This is lib50, CS50's own internal library used in many of its tools.",
     long_description="This is lib50, CS50's own internal library used in many of its tools.",
-    install_requires=["attrs>=18.1,<21", "pexpect>=4.6,<5", "pyyaml<7", "requests>=2.13,<3", "termcolor>=1.1,<2", "jellyfish>=0.7,<1", "cryptography>=2.7"],
+    install_requires=["attrs>=18.1,<21", "pexpect>=4.6,<5", "pyyaml<7", "requests>=2.13,<3", "setuptools", "termcolor>=1.1,<2", "jellyfish>=0.7,<1", "cryptography>=2.7"],
     extras_require = {
         "develop": ["sphinx", "sphinx-autobuild", "sphinx_rtd_theme"]
     },
@@ -27,6 +27,6 @@
     python_requires=">= 3.6",
     packages=["lib50"],
     url="https://github.com/cs50/lib50",
-    version="3.0.7",
+    version="3.0.8",
     include_package_data=True
 )