Improved AWS Polly eh

improved handling for errors like
like #929

TTS/aws_polly.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 from boto3 import Session
-from botocore.exceptions import BotoCoreError, ClientError
+from botocore.exceptions import BotoCoreError, ClientError, ProfileNotFound
 import sys
 from utils import settings
 import random
@@ -30,6 +30,7 @@ class AWSPolly:
         self.voices = voices
 
     def run(self, text, filepath, random_voice: bool = False):
+        try:
             session = Session(profile_name="polly")
             polly = session.client("polly")
             if random_voice:
@@ -61,6 +62,13 @@ class AWSPolly:
                 # The response didn't contain audio data, exit gracefully
                 print("Could not stream audio")
                 sys.exit(-1)
+        except ProfileNotFound:
+            print("You need to install the AWS CLI and configure your profile")
+            print("""
+            Linux: https://docs.aws.amazon.com/polly/latest/dg/setup-aws-cli.html
+            Windows: https://docs.aws.amazon.com/polly/latest/dg/install-voice-plugin2.html
+            """)
+            sys.exit(-1)
 
     def randomvoice(self):
         return random.choice(self.voices)