requirements updated

Author: Arun S Kumar

requirements.txt

@@ -1,15 +1,18 @@
-coveralls==1.2.0
-flake8==3.7.9
-flake8-per-file-ignores==0.6
-future==0.17.1
-graphene>=2.1.3,<3
-iso8601==0.1.12
-mongoengine==0.16.3
-mongomock==3.14.0
-pymongo==3.6.1
-pytest==3.3.2
-pytest-cov==2.5.1
+coveralls==1.11.1; python_version < '3.0'
+coveralls==2.1.2; python_version > '3.0'
+flake8<3.7,>=3;
+flake8-per-file-ignores==0.8.1
+future==0.18.2
+graphene>=2.1.8,<3
+iso8601==0.1.13
+mongoengine==0.19.1; python_version < '3.0'
+mongoengine==0.20.0; python_version > '3.0'
+mongomock==3.21.0
+pymongo==3.11.0
+pytest==4.6.11; python_version < '3.0'
+pytest==6.1.2; python_version > '3.0'
+pytest-cov==2.10.1
 singledispatch==3.4.0.3
 # https://stackoverflow.com/a/58189684/9041712
-attrs==19.1.0
+attrs==20.2.0
 futures; python_version < '3.0'

setup.py

@@ -28,7 +28,7 @@
         "mongoengine>=0.15.0",
         "singledispatch>=3.4.0.3",
         "iso8601>=0.1.12",
-        'futures; python_version == "2.7"'
+        'futures; python_version < "3.0"'
     ],
     python_requires=">=2.7",
     zip_safe=True,