1 files changed, 2 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 8aae177..7c0b4f6 100644
--- a/setup.py
+++ b/setup.py
@@ -8,5 +8,6 @@ setup(
     name = "pyisda",
     version = '0.1',
     author = 'Guillaume Horel',
-    ext_modules = cythonize(extensions, nthreads = 4),
+    ext_modules = cythonize(extensions, nthreads = 4,
+        compiler_directives={'embedsignature':True}),
     packages = ['pyisda'])