diff --git a/tts_api_library/client.py b/tts_api_library/client.py
index 4e1a1cd..fb380c6 100644
--- a/tts_api_library/client.py
+++ b/tts_api_library/client.py
@@ -27,6 +27,40 @@ class TTSApiError(RuntimeError):
     pass
 
 
+# --------- утилиты ---------
+
+def _safe_json_sync(r: requests.Response) -> Any:
+    try:
+        return r.json()
+    except Exception:
+        # если пришёл не JSON, но статус 2xx — вернём сырой текст
+        return {"text": r.text}
+
+def _extract_error_detail_sync(r: requests.Response) -> str:
+    try:
+        j = r.json()
+        if isinstance(j, dict) and "detail" in j:
+            return str(j["detail"])
+    except Exception:
+        pass
+    return r.text or "unknown error"
+
+async def _safe_json_async(r: aiohttp.ClientResponse) -> Any:
+    try:
+        return await r.json()
+    except Exception:
+        txt = await r.text()
+        return {"text": txt}
+
+def _extract_error_detail_from_text(text: str) -> str:
+    try:
+        j = _json.loads(text)
+        if isinstance(j, dict) and "detail" in j:
+            return str(j["detail"])
+    except Exception:
+        pass
+    return text or "unknown error"
+
 # --------- синхронный клиент ---------
 
 class TTSClient:
@@ -161,39 +195,4 @@ class TTSAioClient:
                 status = r.status
                 text = await r.text()
                 detail = _extract_error_detail_from_text(text)
-                raise TTSApiError(f"{status}: {detail}")
-
-
-# --------- утилиты ---------
-
-def _safe_json_sync(r: requests.Response) -> Any:
-    try:
-        return r.json()
-    except Exception:
-        # если пришёл не JSON, но статус 2xx — вернём сырой текст
-        return {"text": r.text}
-
-def _extract_error_detail_sync(r: requests.Response) -> str:
-    try:
-        j = r.json()
-        if isinstance(j, dict) and "detail" in j:
-            return str(j["detail"])
-    except Exception:
-        pass
-    return r.text or "unknown error"
-
-async def _safe_json_async(r: aiohttp.ClientResponse) -> Any:
-    try:
-        return await r.json()
-    except Exception:
-        txt = await r.text()
-        return {"text": txt}
-
-def _extract_error_detail_from_text(text: str) -> str:
-    try:
-        j = _json.loads(text)
-        if isinstance(j, dict) and "detail" in j:
-            return str(j["detail"])
-    except Exception:
-        pass
-    return text or "unknown error"
+                raise TTSApiError(f"{status}: {detail}")
\ No newline at end of file