From 8cf7df86534de0afe7f6ea28ab8fdc6996644e87 Mon Sep 17 00:00:00 2001
From: Peter Giacomo Lombardo <pglombardo@gmail.com>
Date: Tue, 29 Oct 2019 20:11:00 +0100
Subject: [PATCH] Avoid dict changed warning by copying

---
 instana/meter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/instana/meter.py b/instana/meter.py
index f8e67df0..279bfb94 100644
--- a/instana/meter.py
+++ b/instana/meter.py
@@ -342,7 +342,7 @@ def collect_modules(self):
         """ Collect up the list of modules in use """
         try:
             res = {}
-            m = sys.modules
+            m = sys.modules.copy()
             for k in m:
                 # Don't report submodules (e.g. django.x, django.y, django.z)
                 # Skip modules that begin with underscore