ban numpy multithreading

csst_common/pipeline.py

@@ -59,6 +59,8 @@ class Pipeline:
         if filter_warnings:
             self.filter_warnings()
 
+        self.ban_multithreading()
+
     def ban_multithreading(self):
         os.environ["OMP_NUM_THREADS"] = "1"
         os.environ["MKL_NUM_THREADS"] = "1"