Fix #310. Remove python 3.4 references

Author: pitbulk

.travis.yml

@@ -6,6 +6,7 @@ python:
   - '3.7'
   - '3.8'
   - '3.9'
+  - '3.10'
 
 matrix:
   include:

pyproject.toml

@@ -35,7 +35,7 @@ include = [
 "Bug Tracker" = "https://github.com/SAML-Toolkits/python3-saml/issues"
 
 [tool.poetry.dependencies]
-python = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 lxml = ">=4.6.5, !=4.7.0"
 xmlsec = ">=1.3.9"
 isodate = ">=0.6.1"

setup.py

@@ -14,7 +14,6 @@
         'Intended Audience :: System Administrators',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',