Arun Tiwari

none type error

1

Traceback (most recent call last): File "/home/arush/Desktop/pos/Open-Source-Python-POS-and-Accounting-Software-master/mainInterface.py", line 103, in main() File "/home/arush/Desktop/pos/Open-Source-Python-POS-and-Accounting-Software-master/mainInterface.py", line 101, in main mainInterface(None).Show() File "/home/arush/Desktop/pos/Open-Source-Python-POS-and-Accounting-Software-master/mainInterface.py", line 74, in __init__ self.m_incomeStatementPanel = incomeStatementPanel(self.m_notebook1) File "/home/arush/Desktop/pos/Open-Source-Python-POS-and-Accounting-Software-master/incomeStatementPanel.py", line...