change development status to beta

setup.py

@@ -1,4 +1,3 @@
-
 from setuptools import setup, find_packages
 
 
@@ -12,15 +11,16 @@ with open('pandas_ods_reader/__init__.py') as f:
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
-setup(name="pandas_ods_reader",
+setup(
+  name="pandas_ods_reader",
   version=version,
   description="Read in an ODS file and return it as a pandas.DataFrame",
   long_description=long_description,
   long_description_content_type="text/markdown",
   classifiers=[
-        "Development Status :: 3 - Alpha",
+    "Development Status :: 2 - Beta",
     "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3",
     "Topic :: Utilities",
   ],
   keywords="data io pandas ods",
@@ -31,6 +31,5 @@ setup(name="pandas_ods_reader",
   packages=find_packages(),
   zip_safe=False,
   install_requires=["ezodf", "pandas", "lxml"],
-      setup_requires=["pytest-runner"],  # TODO: remove pytest-runner
   tests_require=["pytest"]
-      )
+)