[Python] ValueError: The number of FixedLocator locations (5), usually from a call to...

this piece of code was working before, however, after creating a new environment , it stopped working for the line

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


if i comment this line then no error, after putting this line error is thrown

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].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)
plt.suptitle(dataset.columns + ' (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
plt.savefig(path3 + dataset.columns + '_1.png')
plt.close(path3 + dataset.columns + '_1.png')
plt.close('all')

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