Fix base HTTP client parse_params method (#172)

Closes #171

Author: vdusek

CHANGELOG.md

@@ -2,7 +2,9 @@
 
 ## [1.6.1](../../releases/tag/v1.6.1) - Unreleased
 
-...
+### Fixed
+
+- Fixed `_BaseHTTPClient._parse_params()` method to ensure correct conversion of API list parameters
 
 ## [1.6.0](../../releases/tag/v1.6.0) - 2023-11-16
 

src/apify_client/_http_client.py

@@ -84,11 +84,14 @@ def _parse_params(params: dict | None) -> dict | None:
         if params is None:
             return None
 
-        parsed_params = {}
+        parsed_params: dict = {}
         for key, value in params.items():
-            # Our API needs to have boolean parameters passed as 0 or 1, therefore we have to replace them
+            # Our API needs boolean parameters passed as 0 or 1
             if isinstance(value, bool):
                 parsed_params[key] = int(value)
+            # Our API needs lists passed as comma-separated strings
+            elif isinstance(value, list):
+                parsed_params[key] = ','.join(value)
             elif value is not None:
                 parsed_params[key] = value