debug win import

Author: lucasmcdonald3

src/aws_encryption_sdk/streaming_client.py

@@ -77,7 +77,7 @@
     from aws_encryption_sdk.materials_managers.mpl.cmm import CryptoMaterialsManagerFromMPL
 
 except ImportError as e:
-    print("streamingerror" + e)
+    print("streamingerror " + str(e))
     _HAS_MPL = False
 
 _LOGGER = logging.getLogger(__name__)