update to python3.7

lib/python3.7/site-packages/ed25519/_version.py

@@ -0,0 +1,21 @@
+
+# This file was generated by 'versioneer.py' (0.15) from
+# revision-control system data, or from the parent directory name of an
+# unpacked source archive. Distribution tarballs contain a pre-generated copy
+# of this file.
+
+import json
+import sys
+
+version_json = '''
+{
+ "dirty": false,
+ "error": null,
+ "full-revisionid": "a8732e8b6ba4e04e83c7ef05f86c565a2b2fc278",
+ "version": "1.4"
+}
+'''  # END VERSION_JSON
+
+
+def get_versions():
+    return json.loads(version_json)