diff --git a/dev/_import.py b/dev/_import.py
index 1c1019f..c342c78 100644
--- a/dev/_import.py
+++ b/dev/_import.py
@@ -57,7 +57,6 @@ def find_spec(self, fullname, path, target=None):
                 submodule_search_locations=submodule_locations
             )
 
-
     CUSTOM_FINDER = ModCryptoMetaFinder()
     CUSTOM_FINDER.setup()
 
diff --git a/dev/coverage.py b/dev/coverage.py
index d2833cc..98f140b 100644
--- a/dev/coverage.py
+++ b/dev/coverage.py
@@ -103,7 +103,7 @@ def _load_package_tests(name):
     if not os.path.exists(package_dir):
         return []
 
-    _import_from('%s.tests' % name, package_dir, 'tests').test_classes()
+    return _import_from('%s_tests' % name, package_dir, 'tests').test_classes()
 
 
 def _env_info():
diff --git a/tests/__init__.py b/tests/__init__.py
index cd1dcc6..9328428 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -50,7 +50,6 @@ def find_spec(self, fullname, path, target=None):
                 submodule_search_locations=submodule_locations
             )
 
-
     CUSTOM_FINDER = ModCryptoMetaFinder()
     CUSTOM_FINDER.setup()