Make numba optional

bokeh · Nov 22, 2020 · 217b959 · 217b959
1 parent 6d38a7c
commit 217b959
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/examples/app/image_blur.py b/examples/app/image_blur.py
@@ -1,6 +1,12 @@
 import numpy as np
 import scipy.misc
-from numba import njit
+
+try:
+    from numba import njit
+except ImportError:
+    import warnings
+    warnings.warn("numba is not installed. This example will be painfully slow.")
+    njit = lambda f: f
 
 from bokeh.io import curdoc
 from bokeh.layouts import column