如果你的代码中出现了 'plt' is not defined 的错误,很可能是因为忘记了导入语句。 你可以在代码的开头添加以下导入语句来解决这个问题: python import matplotlib.pyplot as plt 如果已导入但仍然报错,检查导入语句是否有误或是否存在其他命名冲突: 确保导入语句没有拼写错误。 检查是否有其他变量或模块被命名为 ...
I get this this error: NameError: name 'plt' is not defined With this code: import matplotlib_venn matplotlib_venn.venn2((set((1, 2, 3)), set((3, 4, 5))) plt.savefig('test.png') I also tried the given example: set1 = set(['A', 'B', 'C', 'D']) set2 = set(['...
When Matplotlib is not installed, this error is generated upon import. According to the docs, Matplotlib is an optional dependency. However, I can find no way to use the WNTR package without installing Matplotlib. I also see this when us...
The solution to the "NameError: name 'matplotlib' is not defined" is the same. After you install thematplotlibmodule, you have to import it before you are able to use it in your code. main.py # ✅ Import matplotlib.pyplot and alias it to pltimportmatplotlib.pyplotasplt# ✅ Import ...
NameError: name 'list' is not defined 我们可以更改变量名来解决该问题: my_list = [1, 2, 3, 4, 5] print(my_list) 3. 模块加载失败 有时候,我们使用了某些库或模块,但是由于加载失败或者命名冲突,就会出现NameError错误。 例如,下面代码中,我们引用了pandas模块,但是由于未成功安装,就会抛出NameError...
Traceback (most recent call last): File "C:\Users\cuyug\Desktop\TroPYcal codes\prettymaps.py", line 4, in <module> from prettymaps import * File "C:\Users\cuyug\Desktop\TroPYcal codes\prettymaps.py", line 17, in <module> layers = plot( NameError: name 'plot' is not defined ...
5 plt.savefig('imgs/ex1_fig2a.eps', format='eps', dpi=300) NameError: name 'plt' is not defined I believe this is a matplotlib issue (see, e.g.,konstantint/matplotlib-venn#33). How can it be corrected? vivekhsridharclosed this ascompletedNov 22, 2018...