Fixed imports order

Grouped imports by sections

Author: tnemoz

docs/conf.py

@@ -17,7 +17,6 @@
 # -- General configuration ---------------------------------------------------
 import datetime
 import doctest
-
 import os
 import sys
 

docs/tutorials/01_algorithms_introduction.ipynb

@@ -28,9 +28,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit_algorithms.optimizers import SLSQP\n",
     "from qiskit.circuit.library import n_local\n",
     "\n",
+    "from qiskit_algorithms.optimizers import SLSQP\n",
+    "\n",
     "num_qubits = 2\n",
     "ansatz = n_local(num_qubits, \"ry\", \"cz\")\n",
     "optimizer = SLSQP(maxiter=1000)"
@@ -282,8 +283,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit_aer.noise import NoiseModel\n",
     "from qiskit.providers.fake_provider import GenericBackendV2\n",
+    "from qiskit_aer.noise import NoiseModel\n",
     "\n",
     "coupling_map = [(0, 1), (1, 2), (2, 3)]\n",
     "backend = GenericBackendV2(num_qubits=4, coupling_map=coupling_map, seed=54)"

docs/tutorials/02_vqe_advanced_options.ipynb

@@ -101,7 +101,6 @@
    ],
    "source": [
     "import numpy as np\n",
-    "\n",
     "from qiskit.circuit.library import n_local\n",
     "\n",
     "from qiskit_algorithms import VQE\n",

docs/tutorials/03_vqe_simulation_with_noise.ipynb

@@ -93,6 +93,7 @@
    "source": [
     "# define ansatz and optimizer\n",
     "from qiskit.circuit.library import n_local\n",
+    "\n",
     "from qiskit_algorithms.optimizers import SPSA\n",
     "\n",
     "iterations = 125\n",
@@ -133,9 +134,10 @@
    "outputs": [],
    "source": [
     "# define Aer Estimator for noiseless statevector simulation\n",
-    "from qiskit_algorithms.utils import algorithm_globals\n",
     "from qiskit_aer.primitives import EstimatorV2 as AerEstimator\n",
     "\n",
+    "from qiskit_algorithms.utils import algorithm_globals\n",
+    "\n",
     "seed = 170\n",
     "algorithm_globals.random_seed = seed\n",
     "\n",
@@ -239,8 +241,8 @@
     }
    ],
    "source": [
-    "from qiskit_aer.noise import NoiseModel\n",
     "from qiskit.providers.fake_provider import GenericBackendV2\n",
+    "from qiskit_aer.noise import NoiseModel\n",
     "\n",
     "coupling_map = [(0, 1), (1, 2), (2, 3), (3, 4)]\n",
     "device = GenericBackendV2(num_qubits=5, coupling_map=coupling_map, seed=54)\n",

docs/tutorials/04_vqd.ipynb

@@ -83,6 +83,7 @@
    ],
    "source": [
     "from qiskit.circuit.library import n_local\n",
+    "\n",
     "from qiskit_algorithms.optimizers import COBYLA\n",
     "\n",
     "ansatz = n_local(2, rotation_blocks=[\"ry\", \"rz\"], entanglement_blocks=\"cz\", reps=1)\n",
@@ -104,7 +105,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit.primitives import StatevectorSampler, StatevectorEstimator\n",
+    "from qiskit.primitives import StatevectorEstimator, StatevectorSampler\n",
+    "\n",
     "from qiskit_algorithms.state_fidelities import ComputeUncompute\n",
     "from qiskit_algorithms.utils import algorithm_globals\n",
     "\n",
@@ -269,7 +271,6 @@
    "source": [
     "from qiskit_algorithms import NumPyEigensolver\n",
     "\n",
-    "\n",
     "exact_solver = NumPyEigensolver(k=3)\n",
     "exact_result = exact_solver.compute_eigenvalues(H2_op)\n",
     "ref_values = exact_result.eigenvalues"

docs/tutorials/05_qaoa.ipynb

@@ -22,8 +22,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import numpy as np\n",
     "import networkx as nx\n",
+    "import numpy as np\n",
     "\n",
     "num_nodes = 4\n",
     "w = np.array(\n",
@@ -212,7 +212,6 @@
     "\n",
     "from qiskit_algorithms import QAOA\n",
     "from qiskit_algorithms.optimizers import COBYLA\n",
-    "\n",
     "from qiskit_algorithms.utils import algorithm_globals\n",
     "\n",
     "sampler = StatevectorSampler(seed=42)\n",
@@ -264,9 +263,10 @@
     }
    ],
    "source": [
-    "from qiskit_algorithms import NumPyMinimumEigensolver\n",
     "from qiskit.quantum_info import Operator\n",
     "\n",
+    "from qiskit_algorithms import NumPyMinimumEigensolver\n",
+    "\n",
     "npme = NumPyMinimumEigensolver()\n",
     "result = npme.compute_minimum_eigenvalue(Operator(qubit_op))\n",
     "\n",
@@ -334,8 +334,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit_aer.noise import NoiseModel\n",
     "from qiskit.providers.fake_provider import GenericBackendV2\n",
+    "from qiskit_aer.noise import NoiseModel\n",
     "\n",
     "coupling_map = [(0, 1), (1, 2), (2, 3)]\n",
     "backend = GenericBackendV2(num_qubits=4, coupling_map=coupling_map, seed=54)"

docs/tutorials/06_grover.ipynb

@@ -75,6 +75,7 @@
    ],
    "source": [
     "from qiskit import QuantumCircuit\n",
+    "\n",
     "from qiskit_algorithms import AmplificationProblem\n",
     "\n",
     "# the state we desire to find is '11'\n",
@@ -119,9 +120,9 @@
     }
    ],
    "source": [
-    "from qiskit_algorithms import Grover\n",
     "from qiskit.primitives import StatevectorSampler\n",
     "\n",
+    "from qiskit_algorithms import Grover\n",
     "\n",
     "grover = Grover(sampler=StatevectorSampler())\n",
     "result = grover.amplify(problem)\n",

docs/tutorials/07_grover_examples.ipynb

@@ -71,8 +71,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit.exceptions import MissingOptionalLibraryError\n",
     "from qiskit.circuit.library.phase_oracle import PhaseOracleGate\n",
+    "from qiskit.exceptions import MissingOptionalLibraryError\n",
     "from qiskit.synthesis.boolean.boolean_expression import BooleanExpression\n",
     "\n",
     "oracle = None\n",
@@ -123,9 +123,10 @@
     }
    ],
    "source": [
-    "from qiskit_algorithms import Grover\n",
     "from qiskit.primitives import StatevectorSampler\n",
     "\n",
+    "from qiskit_algorithms import Grover\n",
+    "\n",
     "grover = Grover(sampler=StatevectorSampler())\n",
     "result = None\n",
     "if problem is not None:\n",

docs/tutorials/10_pvqd.ipynb

@@ -77,7 +77,7 @@
     }
    ],
    "source": [
-    "from qiskit.circuit import QuantumCircuit, ParameterVector\n",
+    "from qiskit.circuit import ParameterVector, QuantumCircuit\n",
     "\n",
     "theta = ParameterVector(r\"$\\theta$\", 5)\n",
     "ansatz = QuantumCircuit(2)\n",
@@ -125,7 +125,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from qiskit.primitives import StatevectorSampler, StatevectorEstimator\n",
+    "from qiskit.primitives import StatevectorEstimator, StatevectorSampler\n",
+    "\n",
     "from qiskit_algorithms.state_fidelities import ComputeUncompute\n",
     "\n",
     "# the fidelity is used to evaluate the objective: the overlap of the variational form and the trotter step\n",

docs/tutorials/11_VarQTE.ipynb

@@ -221,9 +221,10 @@
    },
    "outputs": [],
    "source": [
-    "from qiskit_algorithms import VarQITE\n",
     "from qiskit.primitives import StatevectorEstimator\n",
     "\n",
+    "from qiskit_algorithms import VarQITE\n",
+    "\n",
     "var_qite = VarQITE(ansatz, init_param_values, var_principle, StatevectorEstimator())\n",
     "# an EstimatorV2 instance is necessary, if we want to calculate the expectation value of auxiliary operators.\n",
     "evolution_result = var_qite.evolve(evolution_problem)"