From 49f5bd543299f0f7cfbd33f8f0abc370e601caa6 Mon Sep 17 00:00:00 2001
From: Jace Browning <jacebrowning@gmail.com>
Date: Thu, 14 Feb 2019 15:31:14 -0500
Subject: [PATCH] Prevent loop modification

---
 datafiles/converters/containers.py | 2 +-
 pyproject.toml                     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/datafiles/converters/containers.py b/datafiles/converters/containers.py
index 3b42be31..54f3e1aa 100644
--- a/datafiles/converters/containers.py
+++ b/datafiles/converters/containers.py
@@ -138,7 +138,7 @@ def to_python_value(cls, deserialized_data, *, target_object):
         else:
             data = {}
 
-        for name, value in data.items():
+        for name, value in list(data.items()):
             if name not in cls.CONVERTERS:
                 log.debug(f'Removed unmapped nested file attribute: {name}')
                 data.pop(name)
diff --git a/pyproject.toml b/pyproject.toml
index 52c7a11d..b08b5a5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 
 name = "datafiles"
-version = "0.2b4"
+version = "0.2b5"
 description = "File-based ORM for dataclasses."
 
 license = "MIT"