Clean up formatting, rework run wrapper script to not use globals.

typ/tests/main_test.py

Index: typ/tests/main_test.py
diff --git a/typ/tests/main_test.py b/typ/tests/main_test.py
index 02993755ea62c52e45b972eb25586fde69fbe65b..75fb3354b096ccfbe7fe8e4a5067dbe40fdd4d77 100644
--- a/typ/tests/main_test.py
+++ b/typ/tests/main_test.py
@@ -18,7 +18,6 @@ import os
 import sys
 import textwrap
 
-
 from typ import main
 from typ import test_case
 from typ import Host
@@ -142,15 +141,19 @@ SF_TEST_FILES = {'sf_test.py': SF_TEST_PY}
 LOAD_TEST_PY = """
 import unittest
 
+
 class BaseTest(unittest.TestCase):
     pass
 
+
 def method_fail(self):
     self.fail()
 
+
 def method_pass(self):
     pass
 
+
 def load_tests(_, _2, _3):
     setattr(BaseTest, "test_fail", method_fail)
     setattr(BaseTest, "test_pass", method_pass)