matplotlib · NelleV · Jul 13, 2018 · Jul 10, 2018 · Jul 13, 2018
diff --git a/examples/event_handling/ginput_manual_clabel_sgskip.py b/examples/event_handling/ginput_manual_clabel_sgskip.py
@@ -14,12 +14,9 @@
 
 """
 
-
 import time
-import matplotlib
+
 import numpy as np
-import matplotlib.cm as cm
-import matplotlib.mlab as mlab
 import matplotlib.pyplot as plt
 
 

diff --git a/examples/frontpage/3D.py b/examples/frontpage/3D.py
@@ -6,7 +6,9 @@
 This example reproduces the frontpage 3D example.
 
 """
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 from matplotlib import cbook
 from matplotlib import cm
 from matplotlib.colors import LightSource

diff --git a/examples/images_contours_and_fields/contour_label_demo.py b/examples/images_contours_and_fields/contour_label_demo.py
@@ -12,7 +12,6 @@
 
 import matplotlib
 import numpy as np
-import matplotlib.cm as cm
 import matplotlib.ticker as ticker
 import matplotlib.pyplot as plt
 

diff --git a/examples/images_contours_and_fields/figimage_demo.py b/examples/images_contours_and_fields/figimage_demo.py
@@ -8,7 +8,6 @@
 """
 import numpy as np
 import matplotlib
-import matplotlib.cm as cm
 import matplotlib.pyplot as plt
 
 

diff --git a/examples/images_contours_and_fields/quadmesh_demo.py b/examples/images_contours_and_fields/quadmesh_demo.py
@@ -11,7 +11,7 @@
 
 import copy
 
-from matplotlib import cm, colors, pyplot as plt
+from matplotlib import cm, pyplot as plt
 import numpy as np
 
 n = 12

diff --git a/examples/images_contours_and_fields/quiver_demo.py b/examples/images_contours_and_fields/quiver_demo.py
@@ -13,7 +13,6 @@
 """
 import matplotlib.pyplot as plt
 import numpy as np
-from numpy import ma
 
 X, Y = np.meshgrid(np.arange(0, 2 * np.pi, .2), np.arange(0, 2 * np.pi, .2))
 U = np.cos(X)

diff --git a/examples/lines_bars_and_markers/scatter_symbol.py b/examples/lines_bars_and_markers/scatter_symbol.py
@@ -8,7 +8,6 @@
 """
 import matplotlib.pyplot as plt
 import numpy as np
-import matplotlib
 
 # Fixing random state for reproducibility
 np.random.seed(19680801)

diff --git a/examples/misc/load_converter.py b/examples/misc/load_converter.py
@@ -7,7 +7,6 @@
    <
10000
span class='blob-code-inner blob-code-marker ' data-code-marker=" ">import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib.cbook as cbook
-import matplotlib.dates as mdates
 from matplotlib.dates import bytespdate2num
 
 datafile = cbook.get_sample_data('msft.csv', asfileobj=False)

diff --git a/examples/misc/plotfile_demo.py b/examples/misc/plotfile_demo.py
@@ -6,8 +6,6 @@
 Example use of ``plotfile`` to plot data directly from a file.
 """
 import matplotlib.pyplot as plt
-import numpy as np
-
 import matplotlib.cbook as cbook
 
 fname = cbook.get_sample_data('msft.csv', asfileobj=False)

diff --git a/examples/misc/transoffset.py b/examples/misc/transoffset.py
@@ -23,7 +23,6 @@
 import matplotlib.transforms as mtransforms
 import numpy as np
 
-from matplotlib.transforms import offset_copy
 
 xs = np.arange(7)
 ys = xs**2

diff --git a/examples/mplot3d/2dcollections3d.py b/examples/mplot3d/2dcollections3d.py
@@ -7,7 +7,9 @@
 selective axes of a 3D plot.
 """
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import numpy as np
 import matplotlib.pyplot as plt
 

diff --git a/examples/mplot3d/3d_bars.py b/examples/mplot3d/3d_bars.py
@@ -10,7 +10,8 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
 
 
 # setup the figure and axes

diff --git a/examples/mplot3d/bars3d.py b/examples/mplot3d/bars3d.py
@@ -7,7 +7,9 @@
 planes y=0, y=1, etc.
 """
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/custom_shaded_3d_surface.py b/examples/mplot3d/custom_shaded_3d_surface.py
@@ -6,7 +6,9 @@
 Demonstrates using custom hillshading in a 3D surface plot.
 """
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 from matplotlib import cbook
 from matplotlib import cm
 from matplotlib.colors import LightSource

diff --git a/examples/mplot3d/hist3d.py b/examples/mplot3d/hist3d.py
@@ -6,7 +6,9 @@
 Demo of a histogram for 2 dimensional data as a bar graph in 3D.
 """
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/lines3d.py b/examples/mplot3d/lines3d.py
@@ -6,12 +6,14 @@
 This example demonstrates plotting a parametric curve in 3D.
 '''
 
-import matplotlib as mpl
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import numpy as np
 import matplotlib.pyplot as plt
 
-mpl.rcParams['legend.fontsize'] = 10
+
+plt.rcParams['legend.fontsize'] = 10
 
 fig = plt.figure()
 ax = fig.gca(projection='3d')

diff --git a/examples/mplot3d/lorenz_attractor.py b/examples/mplot3d/lorenz_attractor.py
@@ -15,7 +15,8 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
 
 
 def lorenz(x, y, z, s=10, r=28, b=2.667):

diff --git a/examples/mplot3d/mixed_subplots.py b/examples/mplot3d/mixed_subplots.py
@@ -5,7 +5,9 @@
 
 This example shows a how to plot a 2D and 3D plot on the same figure.
 """
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/offset.py b/examples/mplot3d/offset.py
@@ -13,7 +13,9 @@
 automatically trigger it.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/pathpatch3d.py b/examples/mplot3d/pathpatch3d.py
@@ -9,11 +9,11 @@
 import numpy as np
 import matplotlib.pyplot as plt
 from matplotlib.patches import Circle, PathPatch
-# register Axes3D class with matplotlib by importing Axes3D
-from mpl_toolkits.mplot3d import Axes3D
-import mpl_toolkits.mplot3d.art3d as art3d
 from matplotlib.text import TextPath
 from matplotlib.transforms import Affine2D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+import mpl_toolkits.mplot3d.art3d as art3d
 
 
 def text3d(ax, xyz, s, zdir="z", size=None, angle=0, usetex=False, **kwargs):

diff --git a/examples/mplot3d/polys3d.py b/examples/mplot3d/polys3d.py
@@ -8,7 +8,9 @@
 of 'jagged stained glass' effect.
 """
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 from matplotlib.collections import PolyCollection
 import matplotlib.pyplot as plt
 from matplotlib import colors as mcolors

diff --git a/examples/mplot3d/quiver3d.py b/examples/mplot3d/quiver3d.py
@@ -6,7 +6,9 @@
 Demonstrates plotting directional arrows at points on a 3d mes
10000
hgrid.
 '''
 
-from mpl_toolkits.mplot3d import axes3d
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/scatter3d.py b/examples/mplot3d/scatter3d.py
@@ -6,7 +6,9 @@
 Demonstration of a basic scatterplot in 3D.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/subplot3d.py b/examples/mplot3d/subplot3d.py
@@ -7,10 +7,13 @@
 '''
 
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d.axes3d import Axes3D, get_test_data
 from matplotlib import cm
 import numpy as np
 
+from mpl_toolkits.mplot3d.axes3d import get_test_data
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 
 # set up a figure twice as wide as it is tall
 fig = plt.figure(figsize=plt.figaspect(0.5))

diff --git a/examples/mplot3d/surface3d.py b/examples/mplot3d/surface3d.py
@@ -10,7 +10,9 @@
 z axis tick labels.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 from matplotlib import cm
 from matplotlib.ticker import LinearLocator, FormatStrFormatter

diff --git a/examples/mplot3d/surface3d_2.py b/examples/mplot3d/surface3d_2.py
@@ -6,7 +6,9 @@
 Demonstrates a very basic plot of a 3D surface using a solid color.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/surface3d_3.py b/examples/mplot3d/surface3d_3.py
@@ -6,9 +6,10 @@
 Demonstrates plotting a 3D surface colored in a checkerboard pattern.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
-from matplotlib import cm
 from matplotlib.ticker import LinearLocator
 import numpy as np
 

diff --git a/examples/mplot3d/surface3d_radial.py b/examples/mplot3d/surface3d_radial.py
@@ -10,7 +10,9 @@
 Example contributed by Armin Moser.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/text3d.py b/examples/mplot3d/text3d.py
@@ -16,7 +16,9 @@
 
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D 
741A
 # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 
 

diff --git a/examples/mplot3d/tricontour3d.py b/examples/mplot3d/tricontour3d.py
@@ -9,8 +9,10 @@
 tricontourf3d_demo shows the filled version of this example.
 """
 
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d import Axes3D
 import matplotlib.tri as tri
 import numpy as np
 

diff --git a/examples/mplot3d/tricontourf3d.py b/examples/mplot3d/tricontourf3d.py
@@ -9,8 +9,10 @@
 tricontour3d_demo shows the unfilled version of this example.
 """
 
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d import Axes3D
 import matplotlib.tri as tri
 import numpy as np
 

diff --git a/examples/mplot3d/trisurf3d.py b/examples/mplot3d/trisurf3d.py
@@ -6,7 +6,9 @@
 Plot a 3D surface with a triangular mesh.
 '''
 
-from mpl_toolkits.mplot3d import Axes3D
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 import matplotlib.pyplot as plt
 import numpy as np
 

diff --git a/examples/mplot3d/trisurf3d_2.py b/examples/mplot3d/trisurf3d_2.py
@@ -12,9 +12,11 @@
 
 import numpy as np
 import matplotlib.pyplot as plt
-from mpl_toolkits.mplot3d import Axes3D
 import matplotlib.tri as mtri
 
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 
 fig = plt.figure(figsize=plt.figaspect(0.5))
 

diff --git a/examples/mplot3d/voxels.py b/examples/mplot3d/voxels.py
@@ -8,7 +8,10 @@
 
 import matplotlib.pyplot as plt
 import numpy as np
-from mpl_toolkits.mplot3d import Axes3D
+
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
+
 
 # prepare some coordinates
 x, y, z = np.indices((8, 8, 8))

diff --git a/examples/mplot3d/voxels_numpy_logo.py b/examples/mplot3d/voxels_numpy_logo.py
@@ -7,7 +7,9 @@
 '''
 import matplotlib.pyplot as plt
 import numpy as np
-from mpl_toolkits.mplot3d import Axes3D
+
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
 
 
 def explode(data):

diff --git a/examples/mplot3d/voxels_rgb.py b/examples/mplot3d/voxels_rgb.py
@@ -8,7 +8,9 @@
 
 import matplotlib.pyplot as plt
 import numpy as np
-from mpl_toolkits.mplot3d import Axes3D
+
+# This import registers the 3D projection, but is otherwise unused.
+from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import
 
 
 def midpoints(x):