fix version

setup.py

@@ -1,29 +1,50 @@
 import setuptools
 import os
+import codecs
 from glob import glob
-from src.jupyter_tabnine._version import __version__ as version
 
-with open('./README.rst') as f:
+
+def read(rel_path):
+    here = os.path.abspath(os.path.dirname(__file__))
+    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.")
+
+
+with open("./README.rst") as f:
     readme = f.read()
 
 setuptools.setup(
     name="jupyter_tabnine",
-    version=version,
+    version=get_version("src/jupyter_tabnine/_version.py"),
     url="https://github.com/wenmin-wu/jupyter-tabnine",
     author="Wenmin Wu",
     long_description=readme,
     long_description_content_type="text/x-rst",
     author_email="[email protected]",
     license="MIT",
     description="Jupyter notebook extension which support coding auto-completion based on Deep Learning",
-    packages=setuptools.find_packages('src'),
-    package_dir={'': 'src'},
-    data_files=[('static', glob('src/jupyter_tabnine/static/*'))],
-    install_requires=['ipython', 'jupyter_core', 'nbconvert', 'notebook >=4.2',],
-    python_requires='>=3.5',
+    packages=setuptools.find_packages("src"),
+    package_dir={"": "src"},
+    data_files=[("static", glob("src/jupyter_tabnine/static/*"))],
+    install_requires=[
+        "ipython",
+        "jupyter_core",
+        "nbconvert",
+        "notebook >=4.2",
+    ],
+    python_requires=">=3.5",
     classifiers=[
-        'Framework :: Jupyter',
+        "Framework :: Jupyter",
     ],
     include_package_data=True,
-    zip_safe=False
+    zip_safe=False,
 )