chore(lint): Handle pylint errors

Author: ehdsouza

.pylintrc

@@ -1,4 +1,4 @@
 # lint Python modules using external checkers.
 [MASTER]
 ignore=SVN
-disable=R0903,R0912,R0913,R0914,R0915,W0141,C0111,C0103,W0603,W0703,R0911,C0301,C0302,R0902,R0904,W0142,W0212,E1101,E1103,R0201,W0201,W0122,W0232,RP0001,RP0003,RP0101,RP0002,RP0401,RP0701,RP0801,F0401,E0611,R0801,I0011,F0401,E0611,E1004,C0111,I0011,I0012,W0704,W0142,W0212,W0232,W0613,W0702,R0201,W0614,R0914,R0912,R0915,R0913,R0904,R0801,C0301,C0411,R0204,W0622,E1121,inconsistent-return-statements,R0205,C0325
+disable=R0903,R0912,R0913,R0914,R0915,W0141,C0111,C0103,W0603,W0703,R0911,C0301,C0302,R0902,R0904,W0142,W0212,E1101,E1103,R0201,W0201,W0122,W0232,RP0001,RP0003,RP0101,RP0002,RP0401,RP0701,RP0801,F0401,E0611,R0801,I0011,F0401,E0611,E1004,C0111,I0011,I0012,W0704,W0142,W0212,W0232,W0613,W0702,R0201,W0614,R0914,R0912,R0915,R0913,R0904,R0801,C0301,C0411,R0204,W0622,E1121,inconsistent-return-statements,R0205,C0325,unsubscriptable-object

examples/speaker_text_to_speech.py

@@ -5,9 +5,10 @@
 # passed in the request. When the service responds with the synthesized
 # audio, the pyaudio would play it in a blocking mode
 
-from ibm_watson import TextToSpeechV1
+from ibm_watson import SpeechToTextV1
 from ibm_watson.websocket import SynthesizeCallback
 import pyaudio
+from ibm_cloud_sdk_core.authenticators import IAMAuthenticator
 
 authenticator = IAMAuthenticator('your_api_key')
 service = SpeechToTextV1(authenticator=authenticator)

examples/visual_recognition_v4.py

@@ -41,7 +41,7 @@
 
 # analyze
 dog_path = os.path.join(os.path.dirname(__file__), '../resources/dog.jpg')
-giraffe_path = os.path.join(os.path.dirname(__file__),'../resources/my-giraffe.jpeg')
+giraffe_path = os.path.join(os.path.dirname(__file__), '../resources/my-giraffe.jpeg')
 with open(dog_path, 'rb') as dog_file, open(giraffe_path, 'rb') as giraffe_files:
     analyze_images = service.analyze(
         collection_ids=[collection_id],