Made crash_gen more tolerable of TAOS exceptions

tests/pytest/crash_gen.py

@@ -1227,8 +1227,8 @@ class Task():
                 errMsg = "[=] Unexpected Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(errno2, err, self._lastSql)
                 self.logDebug(errMsg)
                 if gConfig.debug :
-                    raise # so that we see full stack
-                else: # non-debug
+                    # raise # so that we see full stack
+                    traceback.print_exc()
                 print("\n\n----------------------------\nProgram ABORTED Due to Unexpected TAOS Error: \n\n{}\n".format(errMsg) +
                     "----------------------------\n")
                 # sys.exit(-1)