在这个修改后的代码中,我们为local_var预先定义了一个默认值(None),从而确保它在所有情况下都会被定义。 总之,解决“cannot access local variable”的问题需要理解变量的作用域和生命周期,并根据具体情况选择合适的解决方案。
File "F:\python_work\异常处理\try_except_finally.py", line 21, in read_date_from_file file.close() # --2 ^^^ UnboundLocalError: cannot access local variable 'file' where it is not associated with a value 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. UnboundLocalError异常是NameError异常的...
>>> a() Traceback (most recent call last): File "<python-input-4>", line 1, in <module> a() ~^^ File "<python-input-3>", line 2, in a i += 2 ^ UnboundLocalError: cannot access local variable 'i' where it is not associated with a value I don't think it's a bug. ...
File "C:\Users\a373150\AppData\Local\Programs\Python\Python311\Lib\site-packages\asammdf\blocks\v2_v3_blocks.py", line 1480, in convert values = new_values ^^^ UnboundLocalError: cannot access local variable 'new_values' where it is not associated with a value Description Hi. For asammdf=...
AttributeError: cannot access'new'=== Remote Traceback (1) ===Traceback (most recent call last): File"/home/hpcm/.local/lib/python3.5/site-packages/rpyc/core/protocol.py", line 329,in_dispatch_request res= self._HANDLERS[handler](self, *args) File"/home/hpcm/...
为什么会出现Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 问题? 问题描述: 把列表listview写入notebook里。 在main函数中, win =create_and_set_a_window(); book=gtk_notebook_new(); gtk_notebook_set_tab_pos( GTK_NOTEBOOK( book ), GTK_POS_LEFT );...
Cannot access non-static property in static context Cannot assign <null> to an implicitly-typed local variable Cannot create an object of type 'System.Boolean' from its string representation 'CHECKED' for the 'Checked' property._ Cannot Encode Single Quote Cannot enter a line break to a multi...
环境检查时显示ohpm registry access不通过 流水线场景使用命令行工具sdkmgr下载Linux SDK失败 ohpm-repo是否支持对HSP包的管理 c++层的crash怎么定位 自动签名时提示“The signature does not take effect or has expired. It may be the current system time is inaccurate, please calibrate the system time...
DFS Error "Cannot access the local WMI repository." DFS folders are empty DFS problem DFS Replication DFS Staging Folder DFS, AD Sites and Services, and verifying which server a client pc is getting files from DFSR error 2104 and 2004 DFSR Error ID: 5016 DHCP "the specified dhcp client ...
UnboundLocalError: cannot accesslocalvariable'object'where it is not associated with a value in pytest version7.3.x, whereas with pytest version7.2.xit passes successfully. My Python version is3.11. Looks like it has to do with PR#10758. ...