flake

emsdk.py

diff --git a/emsdk.py b/emsdk.py
index 96d35f5..bd4cb78 100644
--- a/emsdk.py
+++ b/emsdk.py
@@ -933,7 +933,7 @@
     # instances to be spawned to build multiple projects in parallel, but each MSBuild.exe is still singlethreaded.
     # To enable each MSBuild.exe instance to also compile several .cpp files in parallel inside a single project, pass the extra
     # MSBuild.exe specific "Multi-ToolTask" (MTT) setting /p:CL_MPCount. This enables each MSBuild.exe to parallelize builds wide.
-    make += ['--', f'/p:CL_MPCount={CPU_CORES}']
+    make += ['--', '/p:CL_MPCount=' + str(CPU_CORES)]
 
   # Build
   try: