err fix

backend_integration.py

@@ -21,16 +21,12 @@ class BackendClient:
 	async def pulse(self, exit_if_error = False):
 		async with aiohttp.ClientSession(cookies={
 			"secretkey":self.secret_key}) as session:
-			async with session.get(self.pulse_url, ssl=False) as response:
 			try:
+				async with session.get(self.pulse_url, ssl=False) as response:
 					await response.text()
 					self.up = True
-					if not self.warn:
-						info("Backend connected!")
-						self.warn = True
 			except:
-					error("Backend not respond")
+				error("Cannot create http session")
-					traceback.print_exc()
 				if exit_if_error:
 					error("exit if backend is down")
 					sys.exit(200)
@@ -61,8 +57,8 @@ class BackendClient:
 
 	async def prices(self, exit_if_error = False):
 		async with aiohttp.ClientSession() as session:
-			async with session.get(self.vip_url) as response:
 			try:
+				async with session.get(self.vip_url) as response:
 						return await response.json()
 			except:
 				traceback.print_exc()