Update azure.py

Examples of values for azure_endpoint include the trailing forward slash, but 4 string concatenations in this file are not compatible with the inclusion of the trailing character. This commit makes them agnostic to the trailing character.

Author: Jozef833

src/openai/lib/azure.py

@@ -193,9 +193,9 @@ def __init__(
                 )
 
             if azure_deployment is not None:
-                base_url = f"{azure_endpoint}/openai/deployments/{azure_deployment}"
+                base_url = f"{azure_endpoint.rstrip("/")}/openai/deployments/{azure_deployment}"
             else:
-                base_url = f"{azure_endpoint}/openai"
+                base_url = f"{azure_endpoint.rstrip("/")}/openai"
         else:
             if azure_endpoint is not None:
                 raise ValueError("base_url and azure_endpoint are mutually exclusive")
@@ -433,9 +433,9 @@ def __init__(
                 )
 
             if azure_deployment is not None:
-                base_url = f"{azure_endpoint}/openai/deployments/{azure_deployment}"
+                base_url = f"{azure_endpoint.rstrip("/")}/openai/deployments/{azure_deployment}"
             else:
-                base_url = f"{azure_endpoint}/openai"
+                base_url = f"{azure_endpoint.rstrip("/")}/openai"
         else:
             if azure_endpoint is not None:
                 raise ValueError("base_url and azure_endpoint are mutually exclusive")