fix setup

setup.py

@@ -1,40 +1,40 @@
-import io
-import os
-from distutils.file_util import copy_file
-from setuptools import setup, find_packages
-
-
-def getRequires():
-    deps = ['python_http_client>=3.0']
-    return deps
-
-
-dir_path = os.path.abspath(os.path.dirname(__file__))
-readme = io.open(os.path.join(dir_path, 'README.rst'), encoding='utf-8').read()
-version = io.open(os.path.join(dir_path, 'sendgrid/VERSION.txt'), encoding='utf-8').read().strip()
-copy_file(os.path.join(dir_path, 'sendgrid', 'VERSION.txt'),
-          os.path.join(dir_path, 'sendgrid', 'VERSION.txt'),
-          verbose=0)
-
-setup(
-    name='sendgrid',
-    version=version,
-    author='Elmer Thomas, Yamil Asusta',
-    author_email='[email protected]',
-    url='https://github.com/sendgrid/sendgrid-python/',
-    packages=find_packages(exclude=["temp*.py", "test"]),
-    include_package_data=True,
-    license='MIT',
-    description='Twilio SendGrid library for Python',
-    long_description=readme,
-    install_requires=getRequires(),
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
-    classifiers=[
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-    ]
-)
+import io
+import os
+from distutils.file_util import copy_file
+from setuptools import setup, find_packages
+
+
+__version__ = None
+with open('sendgrid/version.py') as f:
+    exec(f.read())
+
+def getRequires():
+    deps = ['python_http_client>=3.0']
+    return deps
+
+
+dir_path = os.path.abspath(os.path.dirname(__file__))
+readme = io.open(os.path.join(dir_path, 'README.rst'), encoding='utf-8').read()
+
+setup(
+    name='sendgrid',
+    version=str(__version__),
+    author='Elmer Thomas, Yamil Asusta',
+    author_email='[email protected]',
+    url='https://github.com/sendgrid/sendgrid-python/',
+    packages=find_packages(exclude=["temp*.py", "test"]),
+    include_package_data=True,
+    license='MIT',
+    description='Twilio SendGrid library for Python',
+    long_description=readme,
+    install_requires=getRequires(),
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+    classifiers=[
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+    ]
+)