Fix pycrypto

Author: Inbal Tako

requirements.txt

@@ -1,5 +1,5 @@
 requests~=2.23.0
-crypto==1.4.1
+pycrypto~=2.6.1
 responses==0.10.14
 requests-mock==1.8.0
 pytest==5.4.3

setup.py

@@ -23,7 +23,7 @@
     long_description_content_type="text/markdown",
     install_requires=[
         "requests",
-        "crypto",
+        "pycrypto",
     ],
     classifiers=[
         'Development Status :: 5 - Production/Stable',