diff --git a/src/ann_solo/__init__.py b/src/ann_solo/__init__.py
index ba55347..6363de4 100644
--- a/src/ann_solo/__init__.py
+++ b/src/ann_solo/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.3.0'
+__version__ = '0.3.1'
 
 from .ann_solo import ann_solo
 
diff --git a/src/setup.py b/src/setup.py
index 197f477..849a000 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -1,9 +1,9 @@
+import codecs
+import os
 import setuptools
 
 import numpy as np
 
-import ann_solo
-
 try:
     import Cython.Distutils
 except ImportError:
@@ -12,8 +12,26 @@
     use_cython = True
 
 
+def read(rel_path):
+    here = os.path.abspath(os.path.dirname(__file__))
+    # Intentionally *not* adding an encoding option to open, See:
+    #   https://github.com/pypa/virtualenv/issues/201#issuecomment-3145690
+    with codecs.open(os.path.join(here, rel_path), 'r') as fp:
+        return fp.read()
+
+
+def get_version(rel_path):
+    for line in read(rel_path).splitlines():
+        if line.startswith('__version__'):
+            delim = '"' if '"' in line else "'"
+            return line.split(delim)[1]
+    else:
+        raise RuntimeError('Unable to find version string')
+
+
 DISTNAME = 'ann_solo'
-VERSION = ann_solo.__version__
+# https://packaging.python.org/guides/single-sourcing-package-version/
+VERSION = get_version('ann_solo/__init__.py')
 DESCRIPTION = 'Spectral library search engine optimized for fast open ' \
               'modification searching'
 with open('README.md') as f_in:
diff --git a/src/wrapper.py b/src/wrapper.py
deleted file mode 100644
index e316fa3..0000000
--- a/src/wrapper.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from ann_solo import ann_solo
-
-
-ann_solo.ann_solo('../../data/interim/iprg2012/human_yeast_targetdecoy.splib',
-                  '../../data/external/iprg2012/iPRG2012.mgf',
-                  'iPRG2012.mztab',
-                  ['--precursor_tolerance_mass', '20',
-                   '--precursor_tolerance_mode', 'ppm',
-                   '--fragment_mz_tolerance', '0.02',
-                   '--remove_precursor'])