only install greenlet for python 3

Change-Id: I6057cd019bb78486e57f2cce49b58d7806ace36f

diff --git a/setup.cfg b/setup.cfg
index d24b015f5435a452dd67a03cf50329651f14a375..e8cd0dfb4beca3e97a9c915911c3d682aba64cc2 100644 (file)
--- a/setup.cfg
+++ b/setup.cfg
@@ -39,11 +39,11 @@ package_dir =
     =lib
 install_requires =
     importlib-metadata;python_version<"3.8"
-    greenlet
+    greenlet;python_version>="3"
 
 [options.extras_require]
 asyncio =
-    greenlet
+    greenlet;python_version>="3"
 mssql = pyodbc
 mssql_pymssql = pymssql
 mssql_pyodbc = pyodbc
@@ -61,7 +61,7 @@ postgresql = psycopg2>=2.7
 postgresql_pg8000 = pg8000>=1.16.6
 postgresql_asyncpg =
     asyncpg;python_version>="3"
-    greenlet
+    greenlet;python_version>="3"
 postgresql_psycopg2binary = psycopg2-binary
 postgresql_psycopg2cffi = psycopg2cffi
 pymysql = pymysql