Update rowcount method

@@ -4,9 +4,9 @@
 # Team
 - 정해갑(컴퓨터공학과, 2014104149)
 
-# Usage
-## 추가 예정
-- ....    
+# Environment
+## Server
+- AWS 
 
 # Demo    
 ## Register    

 [server]
-uri=ws://localhost:3000
+uri=ws://13.124.104.70:3000
 [register]
 taking_time=0.2
 image_size=160

+wheel
 tensorflow==1.14
 opencv-python==4.1.1.26
 websockets

@@ -73,9 +73,9 @@ async def thread(websocket, path):
                 student_name = data['student_name']
                 # 학생을 찾음
                 sql = "SELECT student_id FROM student WHERE student_id = %s;"
-                rows_count = cursor.execute(sql, (student_id))
+                cursor.execute(sql, (student_id))
                 # DB에 학생이 없으면 등록
-                if rows_count == 0:
+                if cursor.rowcount == 0:
                     sql = "INSERT INTO student(student_id, student_name) VALUES (%s, %s)"
                     cursor.execute(sql, (student_id, student_name))
                     sql = "INSERT INTO lecture_students(lecture_id, student_id) VALUES (%s, %s)"