Issue 1:
Example:

In [102]: get_cmap('hot').name
Out[102]: u'hot'

In [103]: get_cmap('hot', 5).name
Out[103]: u'hot'

In [104]: get_cmap('inferno').name
Out[104]: 'inferno'

In [105]: get_cmap('inferno', 5).name
Out[105]:
[[0.001462, 0.000466, 0.013866],
[0.002267, 0.00127, 0.01857],
[0.003299, 0.002249, 0.024239],
[0.004547, 0.003392, 0.030909],
[0.006006, 0.004692, 0.038558],
[0.007676, 0.006136, 0.046836],
[0.009561, 0.007713, 0.055143],
[0.011663, 0.009417, 0.06346],
[0.013995, 0.011225, 0.071862],
[0.016561, 0.013136, 0.080282],
[0.019373, 0.015133, 0.088767],
[0.022447, 0.017199, 0.097327],
[0.025793, 0.019331, 0.10593],
[0.029432, 0.021503, 0.114621],
[0.033385, 0.023702, 0.123397],
[0.037668, 0.025921, 0.132232],
[0.042253, 0.028139, 0.141141],
[0.046915, 0.030324, 0.150164],
[0.051644, 0.032474, 0.159254],
[0.056449, 0.034569, 0.168414],
[0.06134, 0.03659, 0.177642],
[0.066331, 0.038504, 0.186962],
[0.071429, 0.040294, 0.196354],
[0.076637, 0.041905, 0.205799],
[0.081962, 0.043328, 0.215289],
[0.087411, 0.044556, 0.224813],
[0.09299, 0.045583, 0.234358],
[0.098702, 0.046402, 0.243904],
[0.104551, 0.047008, 0.25343],
[0.110536, 0.047399, 0.262912],
[0.116656, 0.047574, 0.272321],
[0.122908, 0.047536, 0.281624],
[0.129285, 0.047293, 0.290788],
[0.135778, 0.046856, 0.299776],
[0.142378, 0.046242, 0.308553],
[0.149073, 0.045468, 0.317085],
[0.15585, 0.044559, 0.325338],
[0.162689, 0.043554, 0.333277],
[0.169575, 0.042489, 0.340874],
[0.176493, 0.041402, 0.348111],
[0.183429, 0.040329, 0.354971],
[0.190367, 0.039309, 0.361447],
[0.197297, 0.0384, 0.367535],
[0.204209, 0.037632, 0.373238],
[0.211095, 0.03703, 0.378563],
[0.217949, 0.036615, 0.383522],
[0.224763, 0.036405, 0.388129],
[0.231538, 0.036405, 0.3924],
[0.238273, 0.036621, 0.396353],
[0.244967, 0.037055, 0.400007],
[0.25162, 0.037705, 0.403378],
[0.258234, 0.038571, 0.406485],
[0.26481, 0.039647, 0.409345],
[0.271347, 0.040922, 0.411976],
[0.27785, 0.042353, 0.414392],
[0.284321, 0.043933, 0.416608],
[0.290763, 0.045644, 0.418637],
[0.297178, 0.04747, 0.420491],
[0.303568, 0.049396, 0.422182],
[0.309935, 0.051407, 0.423721],
[0.316282, 0.05349, 0.425116],
[0.32261, 0.055634, 0.426377],
[0.328921, 0.057827, 0.427511],
[0.335217, 0.06006, 0.428524],
[0.3415, 0.062325, 0.429425],
[0.347771, 0.064616, 0.430217],
[0.354032, 0.066925, 0.430906],
[0.360284, 0.069247, 0.431497],
[0.366529, 0.071579, 0.431994],
[0.372768, 0.073915, 0.4324],
[0.379001, 0.076253, 0.432719],
[0.385228, 0.078591, 0.432955],
[0.391453, 0.080927, 0.433109],
[0.397674, 0.083257, 0.433183],
[0.403894, 0.08558, 0.433179],
[0.410113, 0.087896, 0.433098],
[0.416331, 0.090203, 0.432943],
[0.422549, 0.092501, 0.432714],
[0.428768, 0.09479, 0.432412],
[0.434987, 0.097069, 0.432039],
[0.441207, 0.099338, 0.431594],
[0.447428, 0.101597, 0.43108],
[0.453651, 0.103848, 0.430498],
[0.459875, 0.106089, 0.429846],
[0.4661, 0.108322, 0.429125],
[0.472328, 0.110547, 0.428334],
[0.478558, 0.112764, 0.427475],
[0.484789, 0.114974, 0.426548],
[0.491022, 0.117179, 0.425552],
[0.497257, 0.119379, 0.424488],
[0.503493, 0.121575, 0.423356],
[0.50973, 0.123769, 0.422156],
[0.515967, 0.12596, 0.420887],
[0.522206, 0.12815, 0.419549],
[0.528444, 0.130341, 0.418142],
[0.534683, 0.132534, 0.416667],
[0.54092, 0.134729, 0.415123],
[0.547157, 0.136929, 0.413511],
[0.553392, 0.139134, 0.411829],
[0.559624, 0.141346, 0.410078],
[0.565854, 0.143567, 0.408258],
[0.572081, 0.145797, 0.406369],
[0.578304, 0.148039, 0.404411],
[0.584521, 0.150294, 0.402385],
[0.590734, 0.152563, 0.40029],
[0.59694, 0.154848, 0.398125],
[0.603139, 0.157151, 0.395891],
[0.60933, 0.159474, 0.393589],
[0.615513, 0.161817, 0.391219],
[0.621685, 0.164184, 0.388781],
[0.627847, 0.166575, 0.386276],
[0.633998, 0.168992, 0.383704],
[0.640135, 0.171438, 0.381065],
[0.64626, 0.173914, 0.378359],
[0.652369, 0.176421, 0.375586],
[0.658463, 0.178962, 0.372748],
[0.66454, 0.181539, 0.369846],
[0.670599, 0.184153, 0.366879],
[0.676638, 0.186807, 0.363849],
[0.682656, 0.189501, 0.360757],
[0.688653, 0.192239, 0.357603],
[0.694627, 0.195021, 0.354388],
[0.700576, 0.197851, 0.351113],
[0.7065, 0.200728, 0.347777],
[0.712396, 0.203656, 0.344383],
[0.718264, 0.206636, 0.340931],
[0.724103, 0.20967, 0.337424],
[0.729909, 0.212759, 0.333861],
[0.735683, 0.215906, 0.330245],
[0.741423, 0.219112, 0.326576],
[0.747127, 0.222378, 0.322856],
[0.752794, 0.225706, 0.319085],
[0.758422, 0.229097, 0.315266],
[0.76401, 0.232554, 0.311399],
[0.769556, 0.236077, 0.307485],
[0.775059, 0.239667, 0.303526],
[0.780517, 0.243327, 0.299523],
[0.785929, 0.247056, 0.295477],
[0.791293, 0.250856, 0.29139],
[0.796607, 0.254728, 0.287264],
[0.801871, 0.258674, 0.283099],
[0.807082, 0.262692, 0.278898],
[0.812239, 0.266786, 0.274661],
[0.817341, 0.270954, 0.27039],
[0.822386, 0.275197, 0.266085],
[0.827372, 0.279517, 0.26175],
[0.832299, 0.283913, 0.257383],
[0.837165, 0.288385, 0.252988],
[0.841969, 0.292933, 0.248564],
[0.846709, 0.297559, 0.244113],
[0.851384, 0.30226, 0.239636],
[0.855992, 0.307038, 0.235133],
[0.860533, 0.311892, 0.230606],
[0.865006, 0.316822, 0.226055],
[0.869409, 0.321827, 0.221482],
[0.873741, 0.326906, 0.216886],
[0.878001, 0.33206, 0.212268],
[0.882188, 0.337287, 0.207628],
[0.886302, 0.342586, 0.202968],
[0.890341, 0.347957, 0.198286],
[0.894305, 0.353399, 0.193584],
[0.898192, 0.358911, 0.18886],
[0.902003, 0.364492, 0.184116],
[0.905735, 0.37014, 0.17935],
[0.90939, 0.375856, 0.174563],
[0.912966, 0.381636, 0.169755],
[0.916462, 0.387481, 0.164924],
[0.919879, 0.393389, 0.16007],
[0.923215, 0.399359, 0.155193],
[0.92647, 0.405389, 0.150292],
[0.929644, 0.411479, 0.145367],
[0.932737, 0.417627, 0.140417],
[0.935747, 0.423831, 0.13544],
[0.938675, 0.430091, 0.130438],
[0.941521, 0.436405, 0.125409],
[0.944285, 0.442772, 0.120354],
[0.946965, 0.449191, 0.115272],
[0.949562, 0.45566, 0.110164],
[0.952075, 0.462178, 0.105031],
[0.954506, 0.468744, 0.099874],
[0.956852, 0.475356, 0.094695],
[0.959114, 0.482014, 0.089499],
[0.961293, 0.488716, 0.084289],
[0.963387, 0.495462, 0.079073],
[0.965397, 0.502249, 0.073859],
[0.967322, 0.509078, 0.068659],
[0.969163, 0.515946, 0.063488],
[0.970919, 0.522853, 0.058367],
[0.97259, 0.529798, 0.053324],
[0.974176, 0.53678, 0.048392],
[0.975677, 0.543798, 0.043618],
[0.977092, 0.55085, 0.03905],
[0.978422, 0.557937, 0.034931],
[0.979666, 0.565057, 0.031409],
[0.980824, 0.572209, 0.028508],
[0.981895, 0.579392, 0.02625],
[0.982881, 0.586606, 0.024661],
[0.983779, 0.593849, 0.02377],
[0.984591, 0.601122, 0.023606],
[0.985315, 0.608422, 0.024202],
[0.985952, 0.61575, 0.025592],
[0.986502, 0.623105, 0.027814],
[0.986964, 0.630485, 0.030908],
[0.987337, 0.63789, 0.034916],
[0.987622, 0.64532, 0.039886],
[0.987819, 0.652773, 0.045581],
[0.987926, 0.66025, 0.05175],
[0.987945, 0.667748, 0.058329],
[0.987874, 0.675267, 0.065257],
[0.987714, 0.682807, 0.072489],
[0.987464, 0.690366, 0.07999],
[0.987124, 0.697944, 0.087731],
[0.986694, 0.70554, 0.095694],
[0.986175, 0.713153, 0.103863],
[0.985566, 0.720782, 0.112229],
[0.984865, 0.728427, 0.120785],
[0.984075, 0.736087, 0.129527],
[0.983196, 0.743758, 0.138453],
[0.982228, 0.751442, 0.147565],
[0.981173, 0.759135, 0.156863],
[0.980032, 0.766837, 0.166353],
[0.978806, 0.774545, 0.176037],
[0.977497, 0.782258, 0.185923],
[0.976108, 0.789974, 0.196018],
[0.974638, 0.797692, 0.206332],
[0.973088, 0.805409, 0.216877],
[0.971468, 0.813122, 0.227658],
[0.969783, 0.820825, 0.238686],
[0.968041, 0.828515, 0.249972],
[0.966243, 0.836191, 0.261534],
[0.964394, 0.843848, 0.273391],
[0.962517, 0.851476, 0.285546],
[0.960626, 0.859069, 0.29801],
[0.95872, 0.866624, 0.31082],
[0.956834, 0.874129, 0.323974],
[0.954997, 0.881569, 0.337475],
[0.953215, 0.888942, 0.351369],
[0.951546, 0.896226, 0.365627],
[0.950018, 0.903409, 0.380271],
[0.948683, 0.910473, 0.395289],
[0.947594, 0.917399, 0.410665],
[0.946809, 0.924168, 0.426373],
[0.946392, 0.930761, 0.442367],
[0.946403, 0.937159, 0.458592],
[0.946903, 0.943348, 0.47497],
[0.947937, 0.949318, 0.491426],
[0.949545, 0.955063, 0.50786],
[0.95174, 0.960587, 0.524203],
[0.954529, 0.965896, 0.540361],
[0.957896, 0.971003, 0.556275],
[0.961812, 0.975924, 0.571925],
[0.966249, 0.980678, 0.587206],
[0.971162, 0.985282, 0.602154],
[0.976511, 0.989753, 0.61676],
[0.982257, 0.994109, 0.631017],
[0.988362, 0.998364, 0.644924]]

Either it shouldn't allow you to specify a lutsize or it should produce a correct name, I would think.

MPL 1.5.1

Windows 7 64-bit

Python 2.7.11 |Anaconda 2.5.0 (64-bit)| (default, Jan 29 2016, 14:26:21) [MSC v.1500 64 bit (AMD64)]

IPython 4.0.3

Issue 2:
Hello,

my system:

Win10(64), IDE PyCharm, python 3.9(64), numpy 1.19.2, matplotlib 3.2.2 & 3.3.0

the code below works with mpl 3.2.2 but no longer works with 3.3.0

with mpl 3.2.2

with mpl 3.3.0

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""github_wind_multi_cut_V2.py"""

import numpy
import matplotlib
import matplotlib.pyplot as plt
from matplotlib.gridspec import GridSpec
from matplotlib.ticker import FormatStrFormatter as mpl_ticker_FormatStrFormatter

def plot_seite():

fig = plt.figure(figsize=(42.0/3, 29.7/3))
gs = GridSpec(13, 12)
axes_polar = fig.add_subplot(gs[0:9, 3:10], projection='polar')
axes = [axes_polar]

def move_figure(f, x, y):
backend = matplotlib.get_backend()
if backend == 'TkAgg':
f.canvas.manager.window.wm_geometry("+%d+%d" % (x, y))
elif backend == 'WXAgg':
f.canvas.manager.window.SetPosition((x, y))
else:
f.canvas.manager.window.move(x, y)
return

move_figure(fig, 125, 1)

place = 0
axes[place].set_title('example',
x=0.5, y=1.075, ha='center', va='top',
fontsize=12, weight='normal', color='dimgray')

axes[place].set_theta_zero_location("N")
axes[place].set_theta_direction(-1)

axes[place].set_xticks(numpy.deg2rad(numpy.arange(0, 360, 45/1)), minor=False)
axes[place].set_xticks(numpy.deg2rad(numpy.arange(0, 360, 45/2)), minor=True)

axes[place].xaxis.grid(True, ls='-', lw=0.8, which='major', color='darkgray')
axes[place].xaxis.grid(True, ls='-', lw=0.4, which='minor', color='lightgrey')

axes[place].set_xticklabels(
['N', ' NO', 'O', ' SO', 'S', 'SW ', 'W', 'NW '],
color='black', alpha=0.7, fontsize=12, weight='normal', minor=False)

axes[place].set_xticklabels(
['NNO', 'ONO', 'OSO', 'SSO', 'SSW', 'WSW ', 'WNW ', 'NNW'],
color='dimgray', fontsize=8, weight='normal', minor=True)

axes[place].tick_params(axis='x', which='major', pad=3)
axes[place].tick_params(axis='x', which='minor', pad=1.5)

axes[place].spines['polar'].set_color('gray')
axes[place].spines['polar'].set_alpha(1)
axes[place].spines['polar'].set_lw(0.8)

axes[place].set_ylim(0, 40)

axes[place].set_yticks(numpy.arange(0, 40, 40/4), minor=False)
axes[place].set_yticks(numpy.arange(0, 40, 40/8), minor=True)

axes[place].yaxis.grid(True, ls='-', lw=0.8, which='major', color='darkgray')
axes[place].yaxis.grid(True, ls='-', lw=0.4, which='minor', color='silver')

axes[place].set_rlabel_position(90)

axes[place].set_rgrids(
numpy.arange(0, 40, int(40/4)),
labels=['', '10', '20', '30'],
color='gray', fontsize=9, weight='bold', angle=90)

axes[place].yaxis.set_minor_formatter(mpl_ticker_FormatStrFormatter("%.1i"))
axes[place].tick_params(axis='y', which='minor', labelsize=9, colors='grey')

plt.show()

return

if __name__ == "__main__":

plot_seite()

Thanks