parse version instead of interpreting

pytest_factoryboy/__init__.py

@@ -2,13 +2,9 @@
 
 __version__ = '1.1.0'
 
-try:
-    from .fixture import register, LazyFixture
+from .fixture import register, LazyFixture
 
-    __all__ = [
-        register.__name__,
-        LazyFixture.__name__,
-    ]
-except ImportError:  # pragma: no cover
-    # avoid import errors when only __version__ is needed (for setup.py)
-    pass
+__all__ = [
+    register.__name__,
+    LazyFixture.__name__,
+]

setup.py

@@ -3,11 +3,9 @@
 
 import codecs
 import os
+import re
 from setuptools import setup
 
-import pytest_factoryboy
-
-
 dirname = os.path.dirname(__file__)
 
 long_description = (
@@ -16,6 +14,9 @@
     codecs.open(os.path.join(dirname, "CHANGES.rst"), encoding="utf-8").read()
 )
 
+with codecs.open(os.path.join(dirname, 'pytest_factoryboy', '__init__.py'), encoding='utf-8') as fd:
+    VERSION = re.compile(r".*__version__ = '(.*?)'", re.S).match(fd.read()).group(1)
+
 setup(
     name="pytest-factoryboy",
     description="Factory Boy support for pytest.",
@@ -24,7 +25,7 @@
     license="MIT license",
     author_email="oleg.pidsadnyi@gmail.com",
     url="https://github.com/pytest-dev/pytest-factoryboy",
-    version=pytest_factoryboy.__version__,
+    version=VERSION,
     classifiers=[
         "Development Status :: 6 - Mature",
         "Intended Audience :: Developers",