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-rw-r--r--modules/launch_utils.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/launch_utils.py b/modules/launch_utils.py
index 18b444d4..0c863e4a 100644
--- a/modules/launch_utils.py
+++ b/modules/launch_utils.py
@@ -194,7 +194,7 @@ def run_extension_installer(extension_dir):
try:
env = os.environ.copy()
- env['PYTHONPATH'] = f"{os.path.abspath('.')}{os.pathsep}{env['PYTHONPATH']}"
+ env['PYTHONPATH'] = f"{os.path.abspath('.')}{os.pathsep}{env.get('PYTHONPATH')}"
print(run(f'"{python}" "{path_installer}"', errdesc=f"Error running install.py for extension {extension_dir}", custom_env=env))
except Exception as e: