From c3c16169b5b810247521b5c96fab0d9058844a34 Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Sun, 9 Jun 2019 22:55:27 +0200
Subject: [PATCH] Ignore positional only arguments slash when listing params

---
 parso/python/tree.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/parso/python/tree.py b/parso/python/tree.py
index 5dcf5b3..4cc7c92 100644
--- a/parso/python/tree.py
+++ b/parso/python/tree.py
@@ -548,7 +548,8 @@ def _create_params(parent, argslist_list):
                     if param_children[0] == '*' \
                             and (len(param_children) == 1
                                  or param_children[1] == ',') \
-                            or check_python2_nested_param(param_children[0]):
+                            or check_python2_nested_param(param_children[0]) \
+                            or param_children[0] == '/':
                         for p in param_children:
                             p.parent = parent
                         new_children += param_children
@@ -1161,6 +1162,13 @@ class Param(PythonBaseNode):
                 index -= 2
         except ValueError:
             pass
+        try:
+            keyword_only_index = self.parent.children.index('/')
+            if index > keyword_only_index:
+                # Skip the ` /, `
+                index -= 2
+        except ValueError:
+            pass
         return index - 1
 
     def get_parent_function(self):