some improvements

boswatch/network/client.py

@@ -109,5 +109,7 @@ class TCPClient:
             self._sock.sendall(bytes(header + aliveMsg, "utf-8"))
             return True
         except socket.error as e:
+            if e.errno is 32:  # broken pipe - no one will read from this pipe anymore
+                return False
             logging.error(e)
         return False

test/boswatch/test_ServerClient.py

@@ -173,7 +173,7 @@ def test_serverStopsWhileConnected(getRunningServer, getClient):
     getRunningServer.stop()
     timeout = 10
     while getClient.isConnected:
-        print(timeout)
+        time.sleep(0.1)
         timeout = timeout - 1
         if timeout is 0:
             assert 0