add from __future__ import annotations

Author: thomas-mangin

src/exabgp/__main__.py

@@ -1,4 +1,6 @@
-if __name__ == '__main__':
+from __future__ import annotations
+
+if __name__ == "__main__":
     from exabgp.application.main import main
 
     main()

src/exabgp/application/cli.py

@@ -3,6 +3,8 @@
 
 """exabgp command line interface"""
 
+from __future__ import annotations
+
 import os
 import sys
 import time

src/exabgp/application/decode.py

@@ -1,5 +1,7 @@
 # encoding: utf-8
 
+from __future__ import annotations
+
 import sys
 import string
 import argparse

src/exabgp/application/environ.py

@@ -2,6 +2,8 @@
 
 """exabgp environement values"""
 
+from __future__ import annotations
+
 import sys
 import argparse
 

src/exabgp/application/flow.py

@@ -9,6 +9,8 @@
 
 # based on the blog at: http://blog.sflow.com/2017/07/bgp-flowspec-on-white-box-switch.html
 
+from __future__ import annotations
+
 import os
 import sys
 import json

src/exabgp/application/healthcheck.py

@@ -40,6 +40,8 @@
 
 """
 
+from __future__ import annotations
+
 import sys
 import os
 import subprocess

src/exabgp/application/main.py

@@ -7,6 +7,8 @@
 License: 3-clause BSD. (See the COPYRIGHT file)
 """
 
+from __future__ import annotations
+
 import os
 import sys
 import argparse

src/exabgp/application/pipe.py

@@ -7,6 +7,8 @@
 License: 3-clause BSD. (See the COPYRIGHT file)
 """
 
+from __future__ import annotations
+
 import os
 import sys
 import fcntl

src/exabgp/application/server.py

@@ -2,6 +2,8 @@
 
 """exabgp server"""
 
+from __future__ import annotations
+
 import os
 import sys
 import time

src/exabgp/application/validate.py

@@ -2,6 +2,8 @@
 
 """exabgp configuration validation"""
 
+from __future__ import annotations
+
 import sys
 import argparse