diff --git a/src/finn/util/create.py b/src/finn/util/create.py
index 642cabcf6dd320f226539e03fd6800156c9fe852..ed3e1a843eca47d2e20e9ca1c9df0d2d6f5a8a13 100644
--- a/src/finn/util/create.py
+++ b/src/finn/util/create.py
@@ -30,7 +30,11 @@ import numpy as np
 from onnx import TensorProto, helper
 from qonnx.core.datatype import DataType
 from qonnx.core.modelwrapper import ModelWrapper
-from qonnx.util.basic import calculate_signed_dot_prod_range, gen_finn_dt_tensor, qonnx_make_model
+from qonnx.util.basic import (
+    calculate_signed_dot_prod_range,
+    gen_finn_dt_tensor,
+    qonnx_make_model,
+)
 
 
 def hls_random_mlp_maker(layer_spec):
diff --git a/tests/fpgadataflow/test_depthwise_convolution.py b/tests/fpgadataflow/test_depthwise_convolution.py
index caa22e077f58035ac2acf0a3455ae08a1163cabc..8ab22bcfdcb0312bd49677f0e00d8e97cdcad3c1 100644
--- a/tests/fpgadataflow/test_depthwise_convolution.py
+++ b/tests/fpgadataflow/test_depthwise_convolution.py
@@ -37,7 +37,11 @@ from qonnx.custom_op.general.im2col import compute_conv_output_dim
 from qonnx.custom_op.registry import getCustomOp
 from qonnx.transformation.general import GiveUniqueNodeNames
 from qonnx.transformation.infer_shapes import InferShapes
-from qonnx.util.basic import calculate_signed_dot_prod_range, gen_finn_dt_tensor, qonnx_make_model
+from qonnx.util.basic import (
+    calculate_signed_dot_prod_range,
+    gen_finn_dt_tensor,
+    qonnx_make_model,
+)
 
 import finn.core.onnx_exec as oxe
 from finn.transformation.fpgadataflow.compile_cppsim import CompileCppSim
diff --git a/tests/fpgadataflow/test_fpgadataflow_mvau.py b/tests/fpgadataflow/test_fpgadataflow_mvau.py
index f3efd6a686b630cc4031b99efd199490e481aeab..b80ef76a19e487a93b23ae7db17350e85fb66822 100644
--- a/tests/fpgadataflow/test_fpgadataflow_mvau.py
+++ b/tests/fpgadataflow/test_fpgadataflow_mvau.py
@@ -36,7 +36,11 @@ from qonnx.core.modelwrapper import ModelWrapper
 from qonnx.custom_op.general.multithreshold import multithreshold
 from qonnx.custom_op.registry import getCustomOp
 from qonnx.transformation.general import GiveUniqueNodeNames
-from qonnx.util.basic import calculate_signed_dot_prod_range, gen_finn_dt_tensor, qonnx_make_model
+from qonnx.util.basic import (
+    calculate_signed_dot_prod_range,
+    gen_finn_dt_tensor,
+    qonnx_make_model,
+)
 
 import finn.core.onnx_exec as oxe
 from finn.analysis.fpgadataflow.exp_cycles_per_layer import exp_cycles_per_layer