diff --git a/all_tests.sh b/all_tests.sh
index c6740889..61cd7d67 100755
--- a/all_tests.sh
+++ b/all_tests.sh
@@ -3,8 +3,8 @@
 echo -n "Checking Python version... "
 python -c 'import sys
 print(sys.version)
-assert sys.version_info[0:2] >= (3,6), \
-"""Please make sure you are using Python 3.6.x.
+assert sys.version_info[0:2] >= (3,5), \
+"""Please make sure you are using Python 3.5 or later.
 You ran with {}""".format(sys.version)' || exit $?
 
 echo "Checking solc version..."
@@ -15,7 +15,7 @@ out=$(solc --version) || {
 case $out in
     *Version:\ 0.4.2[1-9]* )
 	echo $out
-	break ;;
+	;;
     * )
 	echo $out
 	echo "Please make sure your solc version is at least 0.4.21"
diff --git a/myth b/myth
index 8a27925e..a45d431f 100755
--- a/myth
+++ b/myth
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 """mythril.py: Bug hunting on the Ethereum blockchain
    http://www.github.com/b-mueller/mythril
    """
diff --git a/mythril/__init__.py b/mythril/__init__.py
index e69de29b..c0494623 100644
--- a/mythril/__init__.py
+++ b/mythril/__init__.py
@@ -0,0 +1,6 @@
+# We use RsT document formatting in docstring. For example :param to mark parameters.
+# See PEP 287
+__docformat__ = 'restructuredtext'
+
+# Accept mythril.VERSION to get mythril's current version number
+from .version import VERSION  # NOQA
diff --git a/mythril/mythril.py b/mythril/mythril.py
index 3e085c8e..b4dcaa13 100644
--- a/mythril/mythril.py
+++ b/mythril/mythril.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# -*- coding: UTF-8 -*-
+# -*- coding: utf-8 -*-
 """mythril.py: Bug hunting on the Ethereum blockchain
 
    http://www.github.com/b-mueller/mythril
diff --git a/setup.py b/setup.py
index 68bd8e9f..2e1df705 100755
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ VERSION = None
 # deployment; otherwise the build will failed.
 
 version_path = (Path(__file__).parent / 'mythril' / 'version.py').absolute()
-exec(open(version_path, 'r').read())
+exec(open(str(version_path), 'r').read())
 
 class VerifyVersionCommand(install):
     """Custom command to verify that the git tag matches our version"""
@@ -48,7 +48,7 @@ Or, clone the GitHub repo to install the newest master branch:
     $ cd mythril
     $ python setup.py install
 
-Note that Mythril requires Python 3.5 to work.
+Note that Mythril requires Python 3.5 or later to work.
 
 Function signatures
 ~~~~~~~~~~~~~~~~~~~
@@ -294,12 +294,9 @@ setup(
 
         'License :: OSI Approved :: MIT License',
 
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
 
     keywords='hacking disassembler security ethereum',
diff --git a/tox.ini b/tox.ini
index e6e73a73..49a52d9d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36
+envlist = py35,py36
 
 [testenv]
 deps =