MLBEDSW-8111: Update to TensorFlow 2.14

- Update to TensorFlow 2.14 and minimum required Python version to 3.9.
- Update version pins on NumPy and FlatBuffers.
- Add constraint to Offset attribute of StridedSlice operator

Change-Id: I8c7122def963202e5f47e92b62be607935ed05cf
Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/ethosu/vela/test/test_tflite_supported_operators.py b/ethosu/vela/test/test_tflite_supported_operators.py
index e5cc280b..d6b94789 100644
--- a/ethosu/vela/test/test_tflite_supported_operators.py
+++ b/ethosu/vela/test/test_tflite_supported_operators.py
@@ -529,6 +529,7 @@ def create_strided_slice():
     op = create_strided_slice_op([1, 10, 10, 10], [1, 5, 5, 10], [127, 2, 2, 0], [0, 7, -3, 0])
     op.attrs["begin_mask"] = 1
     op.attrs["end_mask"] = 9
+    op.attrs["offset"] = False
     assert support.is_operator_supported(op)
     return op
 
@@ -540,6 +541,13 @@ def test_constraint_stridedslice_stride_values():
     assert not support.is_operator_supported(op)
 
 
+def test_constraint_stridedslice_offset_false():
+    # Offset attribute must be False
+    op = create_strided_slice()
+    op.attrs["offset"] = True
+    assert not support.is_operator_supported(op)
+
+
 def test_constraint_inputs_int32():
     # both inputs must be type int32
     op = testutil.create_elemwise_op(Op.SHL, "op", [1, 8, 8, 8], [1, 8, 8, 8], [1, 8, 8, 8])