diff --git a/nvchecker_source/github-test.py b/nvchecker_source/github-test.py
index 320ad49..c451aed 100644
--- a/nvchecker_source/github-test.py
+++ b/nvchecker_source/github-test.py
@@ -12,25 +12,29 @@ from nvchecker.api import (
     HTTPError, session, RichResult, GetVersionError,
 )
 
-http_client = None
 logger = structlog.get_logger(logger_name=__name__)
 ALLOW_REQUEST = None
 RATE_LIMITED_ERROR = False
+http_client = None
 
 GITHUB_GRAPHQL_URL = 'https://api.%s/graphql'
 
+async def get_http_client():
+    """Initialize and return the HTTP client."""
+    global http_client
+    if http_client is None:
+        if asyncio.iscoroutine(session):
+            http_client = await session
+        else:
+            http_client = session
+    return http_client
+
 async def execute_github_query(host: str, owner: str, reponame: str, token: str) -> dict:
     """
     Execute GraphQL query against GitHub API and return the response data.
     Centralizes error handling and query execution.
     """
-    global http_client
-
-    # Initialize the HTTP client if not already done
-    if http_client is None:
-        if asyncio.iscoroutine(session):
-            http_client = await session
-        http_client = session
+    client = await get_http_client()
 
     headers = {
         'Authorization': f'bearer {token}',
@@ -39,7 +43,7 @@ async def execute_github_query(host: str, owner: str, reponame: str, token: str)
 
     query_vars = QUERY_GITHUB.replace("$owner", owner).replace("$name", reponame)
     
-    async with http_client.post(
+    async with client.post(
         GITHUB_GRAPHQL_URL % host,
         headers=headers,
         json={'query': query_vars}
@@ -59,36 +63,28 @@ def get_github_token(conf: Entry, host: str, keymanager: KeyManager) -> Optional
     return token
 
 async def get_version(name, conf, **kwargs):
-  global RATE_LIMITED_ERROR, ALLOW_REQUEST
+    global RATE_LIMITED_ERROR, ALLOW_REQUEST
 
-  global http_client
- 
-   # Initialize the HTTP client if not already done
-  if http_client is None:
-    if asyncio.iscoroutine(session):
-      http_client = await session
-    http_client = session
+    if RATE_LIMITED_ERROR:
+        raise RuntimeError('rate limited')
 
-  if RATE_LIMITED_ERROR:
-    raise RuntimeError('rate limited')
+    if ALLOW_REQUEST is None:
+        ALLOW_REQUEST = asyncio.Event()
+        ALLOW_REQUEST.set()
 
-  if ALLOW_REQUEST is None:
-    ALLOW_REQUEST = asyncio.Event()
-    ALLOW_REQUEST.set()
-
-  for _ in range(2): # retry once
-    try:
-      await ALLOW_REQUEST.wait()
-      return await get_version_real(name, conf, **kwargs)
-    except HTTPError as e:
-      if e.code in [403, 429]:
-        if n := check_ratelimit(e, name):
-          ALLOW_REQUEST.clear()
-          await asyncio.sleep(n+1)
-          ALLOW_REQUEST.set()
-          continue
-        RATE_LIMITED_ERROR = True
-      raise
+    for _ in range(2):  # retry once
+        try:
+            await ALLOW_REQUEST.wait()
+            return await get_version_real(name, conf, **kwargs)
+        except HTTPError as e:
+            if e.code in [403, 429]:
+                if n := check_ratelimit(e, name):
+                    ALLOW_REQUEST.clear()
+                    await asyncio.sleep(n+1)
+                    ALLOW_REQUEST.set()
+                    continue
+                RATE_LIMITED_ERROR = True
+            raise
 
 QUERY_GITHUB = """
 query {