add supported implementations

diff --git a/setup.py b/setup.py
index 58c9c8782e092f6dca3ed3b0b0ffb6909b173fd6..a0b91356b9038b976a391c25d3cbe13662ff460e 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -261,6 +261,9 @@ def run_setup(with_cext):
             "License :: OSI Approved :: MIT License",
             "Programming Language :: Python",
             "Programming Language :: Python :: 3",
+            "Programming Language :: Python :: Implementation :: CPython",
+            "Programming Language :: Python :: Implementation :: Jython",
+            "Programming Language :: Python :: Implementation :: PyPy",
             "Topic :: Database :: Front-Ends",
             "Operating System :: OS Independent",
             ],