Remove unused import, support Python 3.7 and below

Signed-off-by: Kirill Safonov <[email protected]>

Author: ksafonov-db

tests/test_base_client.py

@@ -5,7 +5,6 @@
 from unittest.mock import Mock
 
 import pytest
-import requests
 
 from databricks.sdk import errors, useragent
 from databricks.sdk._base_client import (_BaseClient, _RawResponse,

tests/test_files.py

@@ -99,7 +99,8 @@ def request(self,
         offset = 0
         if "Range" in headers:
             range = headers["Range"]
-            if match := re.search("^bytes=(\\d+)-$", range):
+            match = re.search("^bytes=(\\d+)-$", range)
+            if match:
                 offset = int(match.group(1))
             else:
                 raise Exception("Unexpected range header: " + range)