fix version setting

Author: juanitorduz

requirements-test.txt

@@ -1,4 +1,2 @@
--r requirements.txt
-
 pytest
 pytest-cov

setup.py

@@ -2,31 +2,30 @@
 
 from setuptools import find_packages, setup
 
-from causalpy.version import __version__
-
 PROJECT_ROOT = os.path.dirname(os.path.realpath(__file__))
 README_FILE = os.path.join(PROJECT_ROOT, "README.md")
-VERSION_FILE = os.path.join(PROJECT_ROOT, "bambi", "version.py")
+VERSION_FILE = os.path.join(PROJECT_ROOT, "causalpy", "version.py")
 REQUIREMENTS_FILE = os.path.join(PROJECT_ROOT, "requirements.txt")
+TEST_REQUIREMENTS_FILE = os.path.join(PROJECT_ROOT, "requirements-test.txt")
 
 
 def get_long_description():
     with open(README_FILE, encoding="utf-8") as f:
         return f.read()
 
 
-# get version
-# sys.path.insert(0, os.path.abspath("../"))
-# from causalpy.version import __version__
-exec(open("causalpy/version.py").read())
-
+with open(VERSION_FILE) as f:
+    version = f.read().split("=")[-1].strip().strip('"')
 
 with open(REQUIREMENTS_FILE) as f:
     install_reqs = f.read().splitlines()
 
+with open(TEST_REQUIREMENTS_FILE) as f:
+    tests_reqs = f.read().splitlines()
+
 setup(
     name="CausalPy",
-    version=__version__,
+    version=version,
     description="Causal inference for quasi-experiments in Python",
     long_description=get_long_description(),
     long_description_content_type="text/markdown",
@@ -37,5 +36,5 @@ def get_long_description():
     python_requires=">=3.8",
     maintainer="Benjamin T. Vincent",
     install_requires=install_reqs,
-    # tests_require=test_reqs,
+    tests_require=tests_reqs,
 )