breakpoint() for python 3.6

src/exabgp/cli/command.py

@@ -6,6 +6,11 @@
 from vyos.util import call
 from vyos.util import popen
 
+if sys.version_info[:3] < (3,7):
+    def breakpoint():
+        import pdb;
+        pdb.set_trace()
+        pass
 
 def _nop(config, path):
     order = path[0]

src/exabgp/conf/yang/code.py

@@ -22,6 +22,12 @@
 from exabgp.conf.yang.datatypes import kw
 from exabgp.conf.yang.datatypes import ranges
 
+import sys
+if sys.version_info[:3] < (3,7):
+    def breakpoint():
+        import pdb;
+        pdb.set_trace()
+        pass
 
 class Code(object):
     def __init__(self, tree):

src/exabgp/conf/yang/parser.py

@@ -16,6 +16,12 @@
 from exabgp.conf.yang.datatypes import words
 from exabgp.conf.yang.datatypes import types
 
+import sys
+if sys.version_info[:3] < (3,7):
+    def breakpoint():
+        import pdb;
+        pdb.set_trace()
+        pass
 
 DEBUG = True