tox cleanup to get tox run almost clean (numpy handler test is leaking)

setup.py

@@ -2,30 +2,36 @@
 """PyOpenGL setup script (setuptools-based)
 """
 import sys, os
+
 extra_commands = {}
 
 from setuptools import setup
 
 from distutils.command.install_data import install_data
+
+
 class smart_install_data(install_data):
     def run(self):
-        #need to change self.install_dir to the library dir
-        install_cmd = self.get_finalized_command('install')
-        self.install_dir = getattr(install_cmd, 'install_lib')
+        # need to change self.install_dir to the library dir
+        install_cmd = self.get_finalized_command("install")
+        self.install_dir = getattr(install_cmd, "install_lib")
         # should create the directory if it doesn't exist!!!
         return install_data.run(self)
-extra_commands['install_data'] = smart_install_data
 
-if sys.platform == 'win32':
+
+extra_commands["install_data"] = smart_install_data
+
+if sys.platform == "win32":
     # binary versions of GLUT and GLE for Win32 (sigh)
-    DLL_DIRECTORY = os.path.join('OpenGL','DLLS')
+    DLL_DIRECTORY = os.path.join("OpenGL", "DLLS")
     datafiles = [
         (
-            DLL_DIRECTORY, [
-                os.path.join( DLL_DIRECTORY,file)
-                for file in os.listdir( DLL_DIRECTORY )
-                if os.path.isfile( os.path.join( DLL_DIRECTORY,file) )
-            ]
+            DLL_DIRECTORY,
+            [
+                os.path.join(DLL_DIRECTORY, file)
+                for file in os.listdir(DLL_DIRECTORY)
+                if os.path.isfile(os.path.join(DLL_DIRECTORY, file))
+            ],
         ),
     ]
 else:
@@ -34,12 +40,12 @@ def run(self):
 
 if __name__ == "__main__":
     setup(
-        options = {
-            'sdist': {
-                'formats': ['gztar'],
-                'force_manifest': True,
+        options={
+            "sdist": {
+                "formats": ["gztar"],
+                "force_manifest": True,
             },
         },
-        data_files = datafiles,
-        cmdclass = extra_commands,
+        data_files=datafiles,
+        cmdclass=extra_commands,
     )

test-requirements.txt

@@ -0,0 +1,4 @@
+tox
+pytest
+pygame
+psutil

tox.ini

@@ -11,12 +11,11 @@ passenv =
     HOME
     USER
 deps=
-    pygame
-    pytest
-    psutil
+    pip
+    -Ur{toxinidir}/test-requirements.txt
     num1: numpy
     accel1: ./accelerate
 #install_command = pip install -I {opts} {packages}
 commands=
-    accel1: pytest -sv -rxXs {posargs:tests/ accelerate/tests}
-    accel0: pytest -sv -rxXs {posargs:tests/}
+    accel1: python -m pytest -sv -rxXs {posargs:tests/ accelerate/tests}
+    accel0: python -m pytest -sv -rxXs {posargs:tests/}