Android table missing_value

[drkousek]

Describe the bug

Missing_value in Table does not work on Android as intended.

Steps to reproduce

Step1: Use table in your project
Step2: Use more columns in your table than is in your data
Step3: get error 04-17 08:55:26.553 3636 3636 E AndroidRuntime: Caused by: com.chaquo.python.PyException: AttributeError: 'Row' object has no attribute 'short'

#this throws error on Android, but runs on Windows
self.data = [("root%s" % i, "value %s" % i) for i in range(1, 10)]
#this does throw error and runs on Android too
#self.data = [("root%s" % i, "value %s" % i, "short %s" % i) for i in range(1, 10)]

self.left_container = toga.Table(headings=["source", "number", "short"], data=self.data, on_select=self.get_file_content_and_display, missing_value="")

Expected behavior

App won't throw error and will fill missing values with blank string.

Screenshots

No response

Environment

• Operating System: Windows 10
• Python version: 3.10.10
• Software versions:
  • Briefcase: 0.3.14
  • Toga: 0.3.1

Logs

Additional context

No response