18:10:54: Warning: Mismatch between the program and library build versions detected.
The library used 3.0 (wchar_t,compiler with C++ ABI 1010,wx containers,compatible with 2.8),
and wxPython used 3.0 (wchar_t,compiler with C++ ABI 1009,wx containers,compatible with 2.8).
<<< Welcome to GNU Radio Companion 3.7.10.1 >>>

Block paths:
	/usr/share/gnuradio/grc/blocks
	/usr/local/share/gnuradio/grc/blocks

Loading: "/home/jacqueline/gnuradio/tutorials/work/tutorial_four_1.grc"
>>> Done