diff --git a/src/frostfs_testlib/steps/http_gate.py b/src/frostfs_testlib/steps/http_gate.py
index 4e712c1..51b0301 100644
--- a/src/frostfs_testlib/steps/http_gate.py
+++ b/src/frostfs_testlib/steps/http_gate.py
@@ -38,34 +38,34 @@ def get_via_http_gate(
     """
     This function gets given object from HTTP gate
     cid:          container id to get object from
-    oid:          object ID
+    oid:          object id / object key
     node:         node to make request
     request_path: (optional) http request, if ommited - use default [{endpoint}/get/{cid}/{oid}]
     """
 
-    # if `request_path` parameter omitted, use default
-    if request_path is None:
-        request = f"{node.http_gate.get_endpoint()}/get/{cid}/{oid}"
-    else:
+    request = f"{node.http_gate.get_endpoint()}/get/{cid}/{oid}"
+    if request_path:
         request = f"{node.http_gate.get_endpoint()}{request_path}"
 
-    resp = requests.get(request, stream=True, timeout=timeout, verify=False)
+    response = requests.get(request, stream=True, timeout=timeout, verify=False)
 
-    if not resp.ok:
+    if not response.ok:
         raise Exception(
             f"""Failed to get object via HTTP gate:
-                request: {resp.request.path_url},
-                response: {resp.text},
-                headers: {resp.headers},
-                status code: {resp.status_code} {resp.reason}"""
+                request: {response.request.path_url},
+                response: {response.text},
+                headers: {response.headers},
+                status code: {response.status_code} {response.reason}"""
         )
 
     logger.info(f"Request: {request}")
-    _attach_allure_step(request, resp.status_code)
+    _attach_allure_step(request, response.status_code)
 
     test_file = TestFile(os.path.join(os.getcwd(), ASSETS_DIR, f"{cid}_{oid}"))
     with open(test_file, "wb") as file:
-        shutil.copyfileobj(resp.raw, file)
+        for chunk in response.iter_content(chunk_size=8192):
+            file.write(chunk)
+
     return test_file
 
 
@@ -117,12 +117,12 @@ def get_via_http_gate_by_attribute(
     endpoint:     http gate endpoint
     request_path: (optional) http request path, if ommited - use default [{endpoint}/get_by_attribute/{Key}/{Value}]
     """
+
     attr_name = list(attribute.keys())[0]
     attr_value = quote_plus(str(attribute.get(attr_name)))
-    # if `request_path` parameter ommited, use default
-    if request_path is None:
-        request = f"{node.http_gate.get_endpoint()}/get_by_attribute/{cid}/{quote_plus(str(attr_name))}/{attr_value}"
-    else:
+
+    request = f"{node.http_gate.get_endpoint()}/get_by_attribute/{cid}/{quote_plus(str(attr_name))}/{attr_value}"
+    if request_path:
         request = f"{node.http_gate.get_endpoint()}{request_path}"
 
     resp = requests.get(request, stream=True, timeout=timeout, verify=False)
@@ -357,19 +357,9 @@ def try_to_get_object_via_passed_request_and_expect_error(
 ) -> None:
     try:
         if attrs is None:
-            get_via_http_gate(
-                cid=cid,
-                oid=oid,
-                node=node,
-                request_path=http_request_path,
-            )
+            get_via_http_gate(cid, oid, node, http_request_path)
         else:
-            get_via_http_gate_by_attribute(
-                cid=cid,
-                attribute=attrs,
-                node=node,
-                request_path=http_request_path,
-            )
+            get_via_http_gate_by_attribute(cid, attrs, node, http_request_path)
         raise AssertionError(f"Expected error on getting object with cid: {cid}")
     except Exception as err:
         match = error_pattern.casefold() in str(err).casefold()