Don't change constant names

Author: ricardoV94

pytensor/graph/rewriting/basic.py

@@ -590,8 +590,8 @@ def process_atomic(self, fgraph, c):
         if other_c is not None:
             # multiple names will clobber each other..
             # we adopt convention to keep the last name
-            if c.name:
-                other_c.name = c.name
+            # if c.name:
+            #     other_c.name = c.name
             self.scheduled.append([[(c, other_c, "merge")]])
         else:
             # this is a new constant