$ python test_log.py
Traceback (most recent call last):
  File "E:\Python32\lib\logging\__init__.py", line 934, in emit
    msg = self.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 809, in format
    return fmt.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 551, in format
    s = self.formatMessage(record)
  File "E:\Python32\lib\logging\__init__.py", line 520, in formatMessage
    return self._style.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 371, in format
    return self._fmt % record.__dict__
KeyError: 'asctime'
Logged from file test_log.py, line 21
Traceback (most recent call last):
  File "E:\Python32\lib\logging\__init__.py", line 934, in emit
    msg = self.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 809, in format
    return fmt.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 551, in format
    s = self.formatMessage(record)
  File "E:\Python32\lib\logging\__init__.py", line 520, in formatMessage
    return self._style.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 371, in format
    return self._fmt % record.__dict__
KeyError: 'asctime'
Logged from file test_log.py, line 22
Traceback (most recent call last):
  File "E:\Python32\lib\logging\__init__.py", line 934, in emit
    msg = self.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 809, in format
    return fmt.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 551, in format
    s = self.formatMessage(record)
  File "E:\Python32\lib\logging\__init__.py", line 520, in formatMessage
    return self._style.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 371, in format
    return self._fmt % record.__dict__
KeyError: 'asctime'
Logged from file test_log.py, line 22
Traceback (most recent call last):
  File "test_log.py", line 24, in <module>
    something()
NameError: name 'something' is not defined

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "E:\Python32\lib\logging\__init__.py", line 934, in emit
    msg = self.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 809, in format
    return fmt.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 551, in format
    s = self.formatMessage(record)
  File "E:\Python32\lib\logging\__init__.py", line 520, in formatMessage
    return self._style.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 371, in format
    return self._fmt % record.__dict__
KeyError: 'asctime'
Logged from file test_log.py, line 26
Traceback (most recent call last):
  File "test_log.py", line 24, in <module>
    something()
NameError: name 'something' is not defined

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "E:\Python32\lib\logging\__init__.py", line 934, in emit
    msg = self.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 809, in format
    return fmt.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 551, in format
    s = self.formatMessage(record)
  File "E:\Python32\lib\logging\__init__.py", line 520, in formatMessage
    return self._style.format(record)
  File "E:\Python32\lib\logging\__init__.py", line 371, in format
    return self._fmt % record.__dict__
KeyError: 'asctime'
Logged from file test_log.py, line 26