correct samples/python/topology/simple/echo.py
correct samples/python/topology/simple/echo.py

wmarshall484/streamsx.topology,wmarshall484/streamsx.topology,IBMStreams/streamsx.topology,ddebrunner/streamsx.topology,ddebrunner/streamsx.topology,IBMStreams/streamsx.topology,wmarshall484/streamsx.topology,ibmkendrick/streamsx.topology,ddebrunner/streamsx.topology,ibmkendrick/streamsx.topology,ibmkendrick/streamsx.topology,IBMStreams/streamsx.topology,ddebrunner/streamsx.topology,ddebrunner/streamsx.topology,IBMStreams/streamsx.topology,ddebrunner/streamsx.topology,wmarshall484/streamsx.topology,IBMStreams/streamsx.topology,wmarshall484/streamsx.topology,wmarshall484/streamsx.topology,ibmkendrick/streamsx.topology,ddebrunner/streamsx.topology,IBMStreams/streamsx.topology,ibmkendrick/streamsx.topology,ibmkendrick/streamsx.topology,wmarshall484/streamsx.topology,wmarshall484/streamsx.topology,IBMStreams/streamsx.topology,ibmkendrick/streamsx.topology