remove unnecessary return docs

qiskit-community · Dec 7, 2021 · 8beeb63 · 8beeb63
1 parent fa03581
commit 8beeb63
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Showing 4 changed files with 4 additions and 16 deletions.
diff --git a/qiskit_nature/problems/second_quantization/lattice/lattices/hyper_cubic_lattice.py b/qiskit_nature/problems/second_quantization/lattice/lattices/hyper_cubic_lattice.py
@@ -15,11 +15,12 @@
 from itertools import product
 from math import pi
 from typing import Dict, List, Optional, Tuple, Union
+
 import numpy as np
 from retworkx import PyGraph
 
-from .lattice import LatticeDrawStyle, Lattice
 from .boundary_condition import BoundaryCondition
+from .lattice import Lattice, LatticeDrawStyle
 
 
 class HyperCubicLattice(Lattice):
@@ -274,10 +275,6 @@ def draw_without_boundary(
                 Please see
                 https://qiskit.org/documentation/retworkx/stubs/retworkx.visualization.mpl_draw.html#retworkx.visualization.mpl_draw
                 for details.
-
-        Returns:
-            A matplotlib figure for the visualization if not running with an
-            interactive backend (like in jupyter) or if ``ax`` is not set.
         """
         graph = self.graph
 

diff --git a/qiskit_nature/problems/second_quantization/lattice/lattices/lattice.py b/qiskit_nature/problems/second_quantization/lattice/lattices/lattice.py
@@ -148,7 +148,7 @@ def weighted_edge_list(self) -> WeightedEdgeList:
 
     def copy(self) -> "Lattice":
         """Return a copy of the lattice."""
-        return Lattice(self.graph.copy())
+        return self.__class__(self.graph)
 
     @classmethod
     def from_nodes_and_edges(
@@ -200,13 +200,8 @@ def _mpl(graph: PyGraph, self_loop: bool, **kwargs):
             self_loop : Draw self-loops, which are edges connecting a node to itself.
             **kwargs : Kwargs for drawing the lattice.
 
-        Returns:
-            A matplotlib figure for the visualization if not running with an
-            interactive backend (like in jupyter) or if ``ax`` is not set.
-
         Raises:
             MissingOptionalLibraryError: Requires matplotlib.
-
         """
         if not HAS_MATPLOTLIB:
             raise MissingOptionalLibraryError(

diff --git a/qiskit_nature/problems/second_quantization/lattice/lattices/line_lattice.py b/qiskit_nature/problems/second_quantization/lattice/lattices/line_lattice.py
@@ -11,8 +11,8 @@
 # that they have been altered from the originals.
 
 """The line lattice"""
-from .hyper_cubic_lattice import HyperCubicLattice
 from .boundary_condition import BoundaryCondition
+from .hyper_cubic_lattice import HyperCubicLattice
 
 
 class LineLattice(HyperCubicLattice):

diff --git a/qiskit_nature/problems/second_quantization/lattice/lattices/triangular_lattice.py b/qiskit_nature/problems/second_quantization/lattice/lattices/triangular_lattice.py
@@ -243,10 +243,6 @@ def draw_without_boundary(
                 Please see
                 https://qiskit.org/documentation/retworkx/stubs/retworkx.visualization.mpl_draw.html#retworkx.visualization.mpl_draw
                 for details.
-
-        Returns:
-            A matplotlib figure for the visualization if not running with an
-            interactive backend (like in jupyter) or if ``ax`` is not set.
         """
         graph = self.graph