Update app.py

app.py

@@ -16,26 +16,45 @@ async def startup_event():
     # Get the token from an environment variable on the Hugging Face Space
     # This is a more secure way to handle the token
     token = os.environ.get("GITHUB_PERSONAL_ACCESS_TOKEN")
+    logger.info("Attempting to start subprocess...")
+    logger.info("Token environment variable exists: %s", token is not None)
     if not token:
         logger.error("GITHUB_PERSONAL_ACCESS_TOKEN environment variable not set")
         return
 
     logger.info("Starting subprocess with token: %s", token[:10] + "...")
-    proc = await asyncio.create_subprocess_exec(
-        '/usr/local/bin/github-mcp-server', 'stdio',
-        stdin=asyncio.subprocess.PIPE,
-        stdout=asyncio.subprocess.PIPE,
-        stderr=asyncio.subprocess.PIPE,
-        env={"GITHUB_PERSONAL_ACCESS_TOKEN": token}
-    )
-    logger.info("Subprocess started with PID: %s", proc.pid)
-    asyncio.create_task(log_stderr())
+    try:
+        proc = await asyncio.create_subprocess_exec(
+            '/usr/local/bin/github-mcp-server', 'stdio',
+            stdin=asyncio.subprocess.PIPE,
+            stdout=asyncio.subprocess.PIPE,
+            stderr=asyncio.subprocess.PIPE,
+            env={"GITHUB_PERSONAL_ACCESS_TOKEN": token}
+        )
+        logger.info("Subprocess created successfully with PID: %s", proc.pid)
+        # Test if subprocess is actually running
+        if proc.returncode is None:
+            logger.info("Subprocess appears to be running")
+        else:
+            logger.warning("Subprocess may have exited immediately with code: %s", proc.returncode)
+        asyncio.create_task(log_stderr())
+    except Exception as e:
+        logger.error("Failed to create subprocess: %s", str(e))
+        raise
 
 async def log_stderr():
     if proc and proc.stderr:
+        logger.info("Starting stderr logging task")
         while not proc.stderr.at_eof():
-            line = await proc.stderr.readline()
-            logger.debug("github-mcp-server stderr: %s", line.decode().strip())
+            try:
+                line = await proc.stderr.readline()
+                if line:
+                    logger.debug("github-mcp-server stderr: %s", line.decode().strip())
+                else:
+                    logger.debug("Empty line from stderr")
+            except Exception as e:
+                logger.error("Error reading stderr: %s", str(e))
+                break
 
 @app.post("/")
 async def proxy(request: Request):
@@ -88,4 +107,4 @@ async def shutdown_event():
         logger.info("Shutting down subprocess...")
         proc.kill()
         await proc.wait()
-        logger.info("Subprocess shut down")
+        logger.info("Subprocess shut down")