Update readme to fixed issues #444 and #447

README.md

@@ -99,6 +99,7 @@ Starting from FreeCAD 0.17 it can be installed via the [Addon Manager](https://g
 * FreeCAD Forum announcement/discussion [thread](https://forum.freecadweb.org/viewtopic.php?f=3&t=60818) 
 
 #### Release notes:
+* V0.7.04 19 Jan 2025:  Change some python code to be compatible with Py ver 3.8.  
 * V0.7.03 15 Jan 2025:  Fix ansi/din support.  
 * V0.7.02 15 Jan 2025:  Fix thickness detection by [@alexneufeld][alexneufeld].  
                       - Improve detection of missing networkx dependency

SheetMetalUnfoldCmd.py

@@ -25,6 +25,7 @@
 ###############################################################################
 
 import os
+import sys
 import Part
 import FreeCAD
 import SheetMetalKfactor
@@ -35,8 +36,15 @@
 from engineering_mode import engineering_mode_enabled
 
 translate = FreeCAD.Qt.translate
-
-if SheetMetalTools.smIsNetworkxAvailable():
+if sys.version_info.major == 3 and sys.version_info.minor < 10:
+    NewUnfolderAvailable = False
+    FreeCAD.Console.PrintWarning(
+        translate( "SheetMetal", 
+            "Python version is too old for the new unfolder\n"
+            "Reverting to the old one\n"
+        )
+    )
+elif SheetMetalTools.smIsNetworkxAvailable():
     import SheetMetalNewUnfolder
     from SheetMetalNewUnfolder import BendAllowanceCalculator
     NewUnfolderAvailable = True

package.xml

@@ -2,8 +2,8 @@
 <package format="1" xmlns="https://wiki.freecad.org/Package_Metadata">
   <name>SheetMetal Workbench</name>
   <description>A simple sheet metal tools workbench for FreeCAD.</description>
-  <version>0.7.03</version>
-  <date>2025-01-15</date>
+  <version>0.7.04</version>
+  <date>2025-01-19</date>
   <maintainer email="[email protected]">Shai Seger</maintainer>
   <license file="LICENSE">LGPL-2.1-or-later</license>
   <url type="repository" branch="master">https://github.com/shaise/FreeCAD_SheetMetal</url>