/in/foo.cc: In function 'int read()':
/in/foo.cc:13:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if (flag)return -num; return num;
  ^~
/in/foo.cc:13:24: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if (flag)return -num; return num;
                        ^~~~~~

KeyError('config.ini',)