Fix the string interpolation so its not treated like a log message (#118)

* Fix the string interpolation so its not treated like a log message

* Bump version

Author: singhals

sync/__init__.py

@@ -1,5 +1,5 @@
 """Library for leveraging the power of Sync"""
 
-__version__ = "1.8.1"
+__version__ = "1.8.2"
 
 TIME_FORMAT = "%Y-%m-%dT%H:%M:%SZ"

sync/_databricks.py

@@ -1462,7 +1462,7 @@ def _get_eventlog_from_dbfs(
     root_dir = dbx_client.list_dbfs_directory(prefix)
 
     if "files" not in root_dir:
-        raise DatabricksDBFSMissingFiles("Unable to locate files in DBFS dir - prefix:%s", prefix)
+        raise DatabricksDBFSMissingFiles(f"Unable to locate files in DBFS dir - prefix: {prefix}")
 
     eventlog_files = [f for f in root_dir["files"] if f["is_dir"]]
     matching_subdirectory = None