Fix isort config

.github/CHANGELOG.md

@@ -41,6 +41,9 @@
 
 ### Bug fixes
 
+* Specify `isort` `--py` (Python version) and `-l` (max line length) to stabilize `isort` across Python versions and environments.
+  [(#647)](https://github.com/PennyLaneAI/pennylane-lightning/pull/647)
+
 * Fix random `coverage xml` CI issues.
   [(#635)](https://github.com/PennyLaneAI/pennylane-lightning/pull/635)
 

.github/workflows/format.yml

@@ -26,11 +26,8 @@ jobs:
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v3
 
-      - name: Run isort
-        run: python -m isort --profile black ./pennylane_lightning/ ./mpitests ./tests --check --diff
-
-      - name: Run Black
-        run: python -m black -l 100 pennylane_lightning/ tests/ --check --verbose
+      - name: Run isort & black --check
+        run: make format-python check=1 verbose=1
 
   format-cpp:
     name: Format (C++)
@@ -62,7 +59,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.11'
 
       - name: Install dependencies
         run: sudo apt update && sudo apt -y install cmake gcc-11 g++-11 ninja-build libomp-14-dev && python -m pip install -r requirements-dev.txt

Makefile

@@ -5,9 +5,11 @@ TESTRUNNER := -m pytest tests --tb=short
 PL_BACKEND ?= "$(if $(backend:-=),$(backend),lightning_qubit)"
 
 ifdef check
-    CHECK := --check
+    CHECK := --check --diff
+    ICHECK := --check
 else
     CHECK :=
+    ICHECK :=
 endif
 
 ifdef build_options
@@ -113,8 +115,8 @@ format-cpp:
 	./bin/format $(CHECK) ./pennylane_lightning
 
 format-python:
-	isort --profile black ./pennylane_lightning/ ./mpitests ./tests $(CHECK)
-	black -l 100 ./pennylane_lightning/ ./mpitests ./tests $(CHECK)
+	isort --py 311 --profile black -l 100 -p pennylane_lightning ./pennylane_lightning/ ./mpitests ./tests $(ICHECK) $(VERBOSE)
+	black -l 100 ./pennylane_lightning/ ./mpitests ./tests $(CHECK) $(VERBOSE)
 
 .PHONY: check-tidy
 check-tidy:

pennylane_lightning/core/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.36.0-dev14"
+__version__ = "0.36.0-dev15"

pennylane_lightning/lightning_gpu/lightning_gpu.py

@@ -91,6 +91,10 @@
     from pennylane.ops.op_math import Adjoint
     from pennylane.wires import Wires
 
+    # pylint: disable=import-error, no-name-in-module, ungrouped-imports
+    from pennylane_lightning.core._serialize import QuantumScriptSerializer, global_phase_diagonal
+    from pennylane_lightning.core._version import __version__
+
     # pylint: disable=no-name-in-module, ungrouped-imports
     from pennylane_lightning.lightning_gpu_ops.algorithms import (
         AdjointJacobianC64,
@@ -99,13 +103,6 @@
         create_ops_listC128,
     )
 
-    # pylint: disable=import-error, no-name-in-module, ungrouped-imports
-    from pennylane_lightning.core._serialize import (
-        QuantumScriptSerializer,
-        global_phase_diagonal,
-    )
-    from pennylane_lightning.core._version import __version__
-
     if MPI_SUPPORT:
         from pennylane_lightning.lightning_gpu_ops.algorithmsMPI import (
             AdjointJacobianMPIC64,

pennylane_lightning/lightning_kokkos/lightning_kokkos.py

@@ -64,6 +64,10 @@
     from pennylane.ops.op_math import Adjoint
     from pennylane.wires import Wires
 
+    # pylint: disable=import-error, no-name-in-module, ungrouped-imports
+    from pennylane_lightning.core._serialize import QuantumScriptSerializer, global_phase_diagonal
+    from pennylane_lightning.core._version import __version__
+
     # pylint: disable=import-error, no-name-in-module, ungrouped-imports
     from pennylane_lightning.lightning_kokkos_ops.algorithms import (
         AdjointJacobianC64,
@@ -72,13 +76,6 @@
         create_ops_listC128,
     )
 
-    # pylint: disable=import-error, no-name-in-module, ungrouped-imports
-    from pennylane_lightning.core._serialize import (
-        QuantumScriptSerializer,
-        global_phase_diagonal,
-    )
-    from pennylane_lightning.core._version import __version__
-
     def _kokkos_dtype(dtype):
         if dtype not in [np.complex128, np.complex64]:  # pragma: no cover
             raise ValueError(f"Data type is not supported for state-vector computation: {dtype}")

pennylane_lightning/lightning_qubit/_measurements.py

@@ -17,10 +17,7 @@
 
 # pylint: disable=import-error, no-name-in-module, ungrouped-imports
 try:
-    from pennylane_lightning.lightning_qubit_ops import (
-        MeasurementsC64,
-        MeasurementsC128,
-    )
+    from pennylane_lightning.lightning_qubit_ops import MeasurementsC64, MeasurementsC128
 except ImportError:
     pass
 

tests/lightning_qubit/test_adjoint_jacobian_class.py

@@ -23,9 +23,7 @@
 from pennylane.tape import QuantumScript
 from scipy.stats import unitary_group
 
-from pennylane_lightning.lightning_qubit._adjoint_jacobian import (
-    LightningAdjointJacobian,
-)
+from pennylane_lightning.lightning_qubit._adjoint_jacobian import LightningAdjointJacobian
 from pennylane_lightning.lightning_qubit._state_vector import LightningStateVector
 
 if not LightningDevice._new_API:

tests/lightning_qubit/test_measurements_class.py

@@ -26,10 +26,7 @@
 from scipy.sparse import csr_matrix, random_array
 
 try:
-    from pennylane_lightning.lightning_qubit_ops import (
-        MeasurementsC64,
-        MeasurementsC128,
-    )
+    from pennylane_lightning.lightning_qubit_ops import MeasurementsC64, MeasurementsC128
 except ImportError:
     pass
 

tests/test_serialize.py

@@ -19,10 +19,7 @@
 import pytest
 from conftest import LightningDevice, device_name
 
-from pennylane_lightning.core._serialize import (
-    QuantumScriptSerializer,
-    global_phase_diagonal,
-)
+from pennylane_lightning.core._serialize import QuantumScriptSerializer, global_phase_diagonal
 
 if not LightningDevice._CPP_BINARY_AVAILABLE:
     pytest.skip("No binary module found. Skipping.", allow_module_level=True)