remove importlib copy, use stdlib version

sloth/conf/__init__.py

@@ -1,7 +1,8 @@
-from sloth.conf import default_config
-from sloth.utils import importlib
-import sys
 import os
+import sys
+import importlib
+from sloth.conf import default_config
+
 
 class Config:
     def __init__(self):

sloth/core/utils.py

@@ -1,5 +1,5 @@
+import importlib
 from sloth.core import exceptions
-from sloth.utils import importlib
 
 
 def import_callable(module_path_name):

sloth/utils/importlib.py

@@ -1,38 +0,0 @@
-# taken from django...
-
-# Taken from Python 2.7 with permission from/by the original author.
-import sys
-
-def _resolve_name(name, package, level):
-    """Return the absolute name of the module to be imported."""
-    if not hasattr(package, 'rindex'):
-        raise ValueError("'package' not set to a string")
-    dot = len(package)
-    for x in range(level, 1, -1):
-        try:
-            dot = package.rindex('.', 0, dot)
-        except ValueError:
-            raise ValueError("attempted relative import beyond top-level "
-                              "package")
-    return "%s.%s" % (package[:dot], name)
-
-
-def import_module(name, package=None):
-    """Import a module.
-
-    The 'package' argument is required when performing a relative import. It
-    specifies the package to use as the anchor point from which to resolve the
-    relative import to an absolute import.
-
-    """
-    if name.startswith('.'):
-        if not package:
-            raise TypeError("relative imports require the 'package' argument")
-        level = 0
-        for character in name:
-            if character != '.':
-                break
-            level += 1
-        name = _resolve_name(name[level:], package, level)
-    __import__(name)
-    return sys.modules[name]