Specified startup.sh path more directly

app.py

@@ -25,7 +25,7 @@ os.environ["GRADIO_TEMP_DIR"] = os.path.join(os.getcwd(), "tmp")
 
 # Installing dependencies not in requirements.txt
 import subprocess
-rc = subprocess.call("startup.sh")
+rc = subprocess.call("./startup.sh")
 
 class AppSteps(Enum):
     JUST_TEXT = 1