Debian 10 builds now fail with:

.... [exec] Building globus-sdk-python-1.4.1.tar.gz
[exec] warning: no files found matching 'tox.ini'
[exec] Building MySQL-python-1.2.5.tar.gz
[exec] In file included from _mysql.c:44:
[exec] /usr/include/mariadb/my_config.h:3:2: warning: #warning This file should not be included by clients, include only <mysql.h> [-Wcpp]
[exec] #warning This file should not be included by clients, include only <mysql.h>
[exec] ^~~~~~~
[exec] make[1]: Leaving directory '/build/pegasus-4.9.0/src/externals'
[exec] In file included from _mysql.c:46:
[exec] /usr/include/mariadb/mysql.h:440:3: warning: function declaration isn't a prototype [-Wstrict-prototypes]
[exec] MYSQL_CLIENT_PLUGIN_HEADER
[exec] ^~~~~~~~~~~~~~~~~~~~~~~~~~
[exec] _mysql.c: In function '_mysql_ConnectionObject_ping':
[exec] _mysql.c:2005:41: error: 'MYSQL'

{aka 'struct st_mysql'}

has no member named 'reconnect'
[exec] if ( reconnect != 1 ) self>connection.reconnect = reconnect;
[exec] ^
[exec] error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
[exec] make[1]: *** [Makefile:67: /build/pegasus-4.9.0/lib/pegasus/externals/python/MySQLdb] Error 1

Seems like we are hitting:

https://github.com/PyMySQL/mysqlclient-python/issues/176