From fd007a9a7be84b5cf88797ed9c190d19ef559254 Mon Sep 17 00:00:00 2001
From: Bishalsarang <bishalsarang@gmail.com>
Date: Sun, 28 Aug 2022 15:23:47 +0545
Subject: [PATCH] Bugfix-25: Issue while running multiple instances 
 https://github.com/Bishalsarang/Recursion-Tree-Visualizer/issues/25

---
 visualiser/visualiser.py | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/visualiser/visualiser.py b/visualiser/visualiser.py
index 355e60b..49a57cc 100644
--- a/visualiser/visualiser.py
+++ b/visualiser/visualiser.py
@@ -15,16 +15,9 @@
 
 
 class Visualiser(object):
-    # Total number of nodes
-    node_count = 0
-    graph = pydot.Dot(graph_type="digraph", bgcolor="#fff3af")
-    # To track function call numbers
-    stack = []
-    edges = []
-    nodes = []
-
     def __init__(self, ignore_args=None, show_argument_name=True,
                  show_return_value=True, node_properties_kwargs={}):
+        self.init_graph()
         # If enabled shows keyword arguments ordered by keys
         self.show_argument_name = show_argument_name
         # If enables shows the return value at every nodes
@@ -114,6 +107,8 @@ def make_animation(cls, filename="out.gif", delay=3):
         except:
             print("Error saving gif.")
 
+        cls.init_graph()
+
     def extract_arg_strings(self, *args, **kwargs):
         """
         Returns function signature arguments function label arguments as
@@ -274,3 +269,13 @@ def wrapper(*args, **kwargs):
 
             return result
         return wrapper
+
+    @classmethod
+    def init_graph(cls):
+        # Total number of nodes
+        cls.node_count = 0
+        cls.graph = pydot.Dot(graph_type="digraph", bgcolor="#fff3af")
+        # To track function call numbers
+        cls.stack = []
+        cls.edges = []
+        cls.nodes = []