fix pylint complaints

pennylane_lightning/core/_state_vector_base.py

@@ -96,7 +96,7 @@ def _state_dtype(self):
         Returns: the state vector class
         """
 
-    def reset_state(self, sync: Optional[bool] = None):
+    def reset_state(self):
         """Reset the device's state"""
         # init the state vector to |00..0>
         self._qubit_state.resetStateVector()

pennylane_lightning/lightning_gpu/_measurements.py

@@ -31,8 +31,8 @@
         mpi_error = ex_mpi
         MPI_SUPPORT = False
 
-except ImportError as ex:
-    warn(str(ex), UserWarning)
+except ImportError as error_import:
+    warn(str(error_import), UserWarning)
 
 from typing import Any, List
 

pennylane_lightning/lightning_gpu/lightning_gpu.py

@@ -21,9 +21,8 @@
 from ctypes.util import find_library
 from dataclasses import replace
 from importlib import util as imp_util
-from numbers import Number
 from pathlib import Path
-from typing import List, Optional, Tuple, Union
+from typing import List, Optional, Union
 from warnings import warn
 
 import numpy as np
@@ -43,7 +42,7 @@
 from pennylane.measurements import MidMeasureMP
 from pennylane.operation import DecompositionUndefinedError, Operator, Tensor
 from pennylane.ops import Prod, SProd, Sum
-from pennylane.tape import QuantumScript, QuantumTape
+from pennylane.tape import QuantumScript
 from pennylane.transforms.core import TransformProgram
 from pennylane.typing import Result