From 56760f9dffb93d58e19ed3c5c42e0f4259bf6df7 Mon Sep 17 00:00:00 2001
From: Derek Holloway <derek@mistox.com>
Date: Mon, 16 Feb 2026 12:33:09 -0800
Subject: [PATCH] Fix for worker thread spawning of python

---
 WebServer/Controllers/PythonInterop.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/WebServer/Controllers/PythonInterop.cs b/WebServer/Controllers/PythonInterop.cs
index 87ea3ea4..ea723ab5 100644
--- a/WebServer/Controllers/PythonInterop.cs
+++ b/WebServer/Controllers/PythonInterop.cs
@@ -16,6 +16,9 @@ namespace PythonInterop {
 
             // Initiilize python
             PythonEngine.Initialize();
+
+            // Needed because C# calls the python from each connections worker thread
+            PythonEngine.BeginAllowThreads();
         }
 
         // This is thread blocking, runs on the main thread, and takes multiple minutes so probabaly need to run on a background thread at some point