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-rw-r--r--ethosu/vela/tensor.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/ethosu/vela/tensor.py b/ethosu/vela/tensor.py
index eedbadad..c0786bfc 100644
--- a/ethosu/vela/tensor.py
+++ b/ethosu/vela/tensor.py
@@ -278,7 +278,7 @@ class TensorAddressMap:
def set_address_for_tens(cls, tens_id, mem_type, address):
# Check previous address if there is one
previous_address = cls.address_map[tens_id].get(mem_type)
- if previous_address is not None:
+ if address is not None and previous_address is not None:
assert previous_address == address, "Two different addresses cannot be assigned to the same tensor."
# Set tensor's address for memory type