diff --git a/plugins/UM3NetworkPrinting/src/Models.py b/plugins/UM3NetworkPrinting/src/Models.py
index d5e1007555..bcdeb8299c 100644
--- a/plugins/UM3NetworkPrinting/src/Models.py
+++ b/plugins/UM3NetworkPrinting/src/Models.py
@@ -2,32 +2,32 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from collections import namedtuple
 
-ClusterMaterial = namedtuple('ClusterMaterial', [
-    'guid',      # Type: str
-    'material',              # Type: str
-    'brand',                 # Type: str
-    'version',               # Type: int
-    'color',                 # Type: str
-    'density'                # Type: str
+ClusterMaterial = namedtuple("ClusterMaterial", [
+    "guid",      # Type: str
+    "material",              # Type: str
+    "brand",                 # Type: str
+    "version",               # Type: int
+    "color",                 # Type: str
+    "density"                # Type: str
 ])
 
-LocalMaterial = namedtuple('LocalMaterial', [
-    'GUID',                  # Type: str
-    'id',                    # Type: str
-    'type',                  # Type: str
-    'status',                # Type: str
-    'base_file',             # Type: str
-    'setting_version',       # Type: int
-    'version',               # Type: int
-    'name',                  # Type: str
-    'brand',                 # Type: str
-    'material',              # Type: str
-    'color_name',            # Type: str
-    'color_code',            # Type: str
-    'description',           # Type: str
-    'adhesion_info',         # Type: str
-    'approximate_diameter',  # Type: str
-    'properties',            # Type: str
-    'definition',            # Type: str
-    'compatible'             # Type: str
+LocalMaterial = namedtuple("LocalMaterial", [
+    "GUID",                  # Type: str
+    "id",                    # Type: str
+    "type",                  # Type: str
+    "status",                # Type: str
+    "base_file",             # Type: str
+    "setting_version",       # Type: int
+    "version",               # Type: int
+    "name",                  # Type: str
+    "brand",                 # Type: str
+    "material",              # Type: str
+    "color_name",            # Type: str
+    "color_code",            # Type: str
+    "description",           # Type: str
+    "adhesion_info",         # Type: str
+    "approximate_diameter",  # Type: str
+    "properties",            # Type: str
+    "definition",            # Type: str
+    "compatible"             # Type: str
 ])