Add field option for fetch_from

setup.py

@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="datalite", # Replace with your own username
-    version="0.4.1",
+    version="0.4.2",
     author="Ege Ozkan",
     author_email="egeemirozkan24@gmail.com",
     description="A small package that binds dataclasses to an sqlite database",
@@ -14,9 +14,9 @@ setuptools.setup(
     url="https://github.com/ambertide/datalite",
     packages=setuptools.find_packages(),
     classifiers=[
-        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.7",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],
-    python_requires='>=3.6',
+    python_requires='>=3.7',
 )