python-3.x - ValueError : The number of FixedLocator locations (5), 通常来自对 set_ticks 的调用，与刻度标签的数量不匹配 (12)

Question

这段代码之前可以工作，但是，在创建新环境后，它停止为该行工作

plt.xticks(x, months, rotation=25,fontsize=8)

如果我注释此行，则没有错误，放置此行后会抛出错误

ValueError: The number of FixedLocator locations (5), usually from a call to set_ticks, does not match the number of ticklabels (12).

import numpy as np
import matplotlib.pyplot as plt

dataset = df
dfsize = dataset[df.columns[0]].size
x = []
for i in range(dfsize):
    x.append(i)

dataset.shape
# dataset.dropna(inplace=True)
dataset.columns.values
var = ""
for i in range(dataset.shape[1]):  ## 1 is for column, dataset.shape[1] calculate length of col

    y = dataset[dataset.columns[i]].values
    y = y.astype(float)
    y = y.reshape(-1, 1)
    y.shape
    from sklearn.impute import SimpleImputer

    missingvalues = SimpleImputer(missing_values=np.nan, strategy='mean', verbose=0)
    missingvalues = missingvalues.fit(y)
    y = missingvalues.transform(y[:, :])

    from sklearn.preprocessing import LabelEncoder, OneHotEncoder
    from sklearn.compose import ColumnTransformer

    labelencoder_x = LabelEncoder()
    x = labelencoder_x.fit_transform(x)

    from scipy.interpolate import *

    p1 = np.polyfit(x, y, 1)
    # from matplotlib.pyplot import *
    import matplotlib
    matplotlib.use('Agg')
    import matplotlib.pyplot as plt

    plt.figure()
    plt.xticks(x, months, rotation=25,fontsize=8)
    #print("-->"+dataset.columns[i])
    plt.suptitle(dataset.columns[i] + ' (xyz)', fontsize=10)
    plt.xlabel('month', fontsize=8)
    plt.ylabel('Age', fontsize=10)
    plt.plot(x, y, y, 'r-', linestyle='-', marker='o')
    plt.plot(x, np.polyval(p1, x), 'b-')
    y = y.round(decimals=2)
    for a, b in zip(x, y):
        plt.text(a, b, str(b), bbox=dict(facecolor='yellow', alpha=0.9))

    plt.grid()
    # plt.pause(2)
    # plt.grid()

    var = var + "," + dataset.columns[i]
    plt.savefig(path3 + dataset.columns[i] + '_1.png')
    plt.close(path3 + dataset.columns[i] + '_1.png')
    plt.close('all')

Answer 1

我正在使用子图并遇到相同的错误。我注意到如果轴被重新标记(在我的例子中是 y 轴)显示所有标签，错误就会消失。如果没有，则会出现您标记的错误。我建议增加图表高度，直到默认显示所有 y 轴标签(请参见下面的屏幕截图)。
或者，我建议使用 ax.set_xticks(...)定义 FixedLocator勾选位置，然后 ax.set_xticklables(...)设置标签。
Ever 2nd y-axis label drawn
Every y-axis label drawn and over-written with custom labels