Update ipython dependency

Author: mdmintz

requirements.txt

@@ -39,7 +39,8 @@ pyopenssl==19.1.0
 pygments==2.5.2;python_version<"3.5"
 pygments==2.6.1;python_version>="3.5"
 ipython==5.10.0;python_version<"3.5"
-ipython==7.17.0;python_version>="3.5"
+ipython==6.5.0;python_version>="3.5" and python_version<"3.7"
+ipython==7.17.0;python_version>="3.7"
 colorama==0.4.3
 pymysql==0.10.0
 coverage==5.2.1

setup.py

@@ -131,7 +131,8 @@
         'pygments==2.5.2;python_version<"3.5"',
         'pygments==2.6.1;python_version>="3.5"',
         'ipython==5.10.0;python_version<"3.5"',
-        'ipython==7.17.0;python_version>="3.5"',
+        'ipython==6.5.0;python_version>="3.5" and python_version<"3.7"',
+        'ipython==7.17.0;python_version>="3.7"',
         'colorama==0.4.3',
         'pymysql==0.10.0',
         'coverage==5.2.1',