--- a/numerics/cleanse.py	Mon Apr 13 10:17:47 2015 -0700
+++ b/numerics/cleanse.py	Mon Apr 13 10:32:22 2015 -0700
@@ -8,38 +8,14 @@
 # imports
 import argparse
 import os
-import subprocess
 import sys
 import time
 
-# python requirements
-# (key, value) = (module, PyPI name)
-requirements = ()
-for module, package in requirements:
-    try:
-        globals()[module] = __import__(module)
-    except ImportError:
-        # install requirement and try again
-        subprocess.check_call(['pip', 'install', package])
-        args = [sys.executable] + sys.argv
-        os.execl(sys.executable, *args)
-
 # module globals
-__all__ = ['main', 'Parser']
-here = os.path.dirname(os.path.realpath(__file__))
-string = (str, unicode)
-
-def ensure_dir(directory):
-    """ensure a directory exists"""
-    if os.path.exists(directory):
-        if not os.path.isdir(directory):
-            raise OSError("Not a directory: '{}'".format(directory))
-        return directory
-    os.makedirs(directory)
-    return directory
+__all__ = ['main', 'CleanseParser']
 
 
-class Parser(argparse.ArgumentParser):
+class CleanseParser(argparse.ArgumentParser):
     """CLI option parser"""
     def __init__(self, **kwargs):
         kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter)