loosen testing requirements

and clean up some dev vs testing decisions

Author: alexcjohnson

requires-dev.txt

@@ -1,14 +1,14 @@
 dash_flow_example==0.0.5
 dash-dangerously-set-inner-html
-isort==4.3.21
-mock==4.0.1;python_version>="3.0"
+mock==4.0.3;python_version>="3.0"
 mock==3.0.5;python_version=="2.7"
-flake8==3.7.9
-PyYAML==5.3
-pylint==1.9.4;python_version<"3.7"
-pylint==2.3.1;python_version=="3.7"
-astroid==2.2.5;python_version=="3.7"
+flake8==3.8.4
+PyYAML==5.3.1
+pylint==1.9.5;python_version<"3.7"
+pylint==2.6.0;python_version>="3.7"
+astroid==2.4.2;python_version>="3.7"
 black==19.10b0;python_version>="3.0"
-virtualenv==20.0.10;python_version=="2.7"
-fire==0.2.1
-coloredlogs==14.0
+virtualenv==20.2.2;python_version=="2.7"
+fire==0.3.1
+coloredlogs==15.0
+flask-talisman==0.7.0

requires-testing.txt

@@ -1,13 +1,12 @@
-pytest==6.0.1;python_version>="3.0"
-pytest==4.6.9;python_version=="2.7"
-pytest-sugar==0.9.4
-pytest-mock==3.2.0;python_version>="3.0"
-pytest-mock==2.0.0;python_version=="2.7"
-lxml==4.6.1
-selenium==3.141.0
-percy==2.0.2
-cryptography==3.0
-requests[security]==2.21.0
-beautifulsoup4==4.8.2
-waitress==1.4.3
-flask-talisman==0.7.0
+pytest>=6.0.2;python_version>="3.0"
+pytest>=4.6,<5;python_version=="2.7"
+pytest-sugar>=0.9.4
+pytest-mock>=3.2.0;python_version>="3.0"
+pytest-mock>=2.0.0,<3;python_version=="2.7"
+lxml>=4.6.2
+selenium>=3.141.0
+percy>=2.0.2
+requests[security]>=2.21.0
+beautifulsoup4>=4.8.2,<=4.9.3;python_version=="2.7"
+beautifulsoup4>=4.8.2;python_version>="3.0"
+waitress>=1.4.4