numba requires specific numpy version

CoriPegliasco · CoriPegliasco · commit 80c529a0981d · 2021-08-17T14:00:51.000+02:00
because doc compil finds
error: numpy 1.21.2 is installed but numpy&lt;1.21,&gt;=1.17 is required by {'numba'}
diff --git a/requirements.txt b/requirements.txt
@@ -1,7 +1,7 @@
 matplotlib
 netCDF4
 numba>=0.53
-numpy
+numpy<1.21
 opencv-python
 pint
 polygon3
