fix nuls2 dependency

Author: odesenfans

setup.cfg

@@ -82,8 +82,8 @@ mqtt =
     certifi
     Click
 nuls2 =
-    nuls2-python; python_version<"3.11"
-    nuls2-python@git+https://github.com/odesenfans/nuls2-python.git@fda2ba4a5f9397f4f84cfee738942c4a15f88840; python_version>="3.11"
+    # use the branch with support for Python 3.11
+    nuls2-python@git+https://github.com/odesenfans/nuls2-python.git@fda2ba4a5f9397f4f84cfee738942c4a15f88840
 ethereum =
     eth_account>=0.4.0
 polkadot =