Update README and classifiers

README.md

@@ -17,9 +17,9 @@ The following relations are supported:
 Requirements
 ============
 
-- Python (3.7, 3.8, 3.9, 3.10, 3.11, 3.12)
-- Django (2.2, 3.0, 3.1, 3.2, 4.0, 4.1, 4.2, 5.0)
-- djangorestframework (3.8+)
+- Python (3.8, 3.9, 3.10, 3.11, 3.12)
+- Django (3.2, 4.0, 4.1, 4.2, 5.0)
+- djangorestframework (3.11+)
 
 Installation
 ============

setup.py

@@ -39,14 +39,11 @@ def get_version(package):
     },
     include_package_data=True,
     zip_safe=False,
-    python_requires='>=3.7',
+    python_requires='>=3.8',
     classifiers=[
         'Development Status :: 4 - Beta',
         'Environment :: Web Environment',
         'Framework :: Django',
-        'Framework :: Django :: 2.2',
-        'Framework :: Django :: 3.0',
-        'Framework :: Django :: 3.1',
         'Framework :: Django :: 3.2',
         'Framework :: Django :: 4.0',
         'Framework :: Django :: 4.1',
@@ -58,7 +55,6 @@ def get_version(package):
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',