diff --git a/src/qibotn/cutn.py b/src/qibotn/cutn.py
index 026604a..985d7bb 100644
--- a/src/qibotn/cutn.py
+++ b/src/qibotn/cutn.py
@@ -1,9 +1,9 @@
 # from qibotn import quimb as qiboquimb
-from QiboCircuitConvertor import QiboCircuitToEinsum
+from qibotn.QiboCircuitConvertor import QiboCircuitToEinsum
 from cuquantum import contract
 
 
-def eval(qibo_circ,datatype):
+def eval(qibo_circ, datatype):
     myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
     operands_expression = myconvertor.state_vector()
     results = contract(*operands_expression)