remove keepalive

requirements.txt

@@ -6,7 +6,7 @@ pyfiglet>=0.7.5
 click>=6.6
 colorama>=0.3.7 # note: on windows click requires colorama too http://click.pocoo.org/5/utils/#ansi-colors
 pyparsing>=2.1.10
-keepalive>=0.5
+# keepalive>=0.5
 # readline==6.2.4.1  # optional, for shell autocomplete
 # django>=1.10.3  # optional: for gendocs
 # pygments==2.1.3 # optional: for gendocs