Buggy python submission (verdict: Runtime Error):
N, W = map(int, input().split())
wv = np.array([list(map(int, input().split())) for _ in range(N)], dtype="int64")
dp = np.zeros(W + 1, dtype="int64")

for w, v in wv:
    dp[W:w-1:-1] = np.maximum(dp[W:w-1:-1], dp[W-w::-1] + v)
    print(dp)
    
print(dp[-1])

Fixed submission:
# -*- coding: utf-8 -*-

import numpy as np

EDPC = "https://atcoder.jp/contests/DP/"
TDPC = "https://atcoder.jp/contests/tDPc/tasks"

################ DANGER ################
test = ""
#test = \
"""
3 8
3 30
4 50
5 60
ans 90
"""

"""
5 5
1 1000000000
1 1000000000
1 1000000000
1 1000000000
1 1000000000
ans 5000000000(>int32)
"""

"""
6 15
6 5
5 6
6 4
6 6
3 5
7 2
ans 17
"""
########################################
test = list(reversed(test.strip().splitlines()))
if test:
    def input2():
        return test.pop()
else:
    def input2():
        return input()
########################################  
# np.maximum(np.array([1,3,2]), np.array([2, 1, 3]))
N, W = map(int, input2().split())
WV = np.array([tuple(map(int, input2().split())) for _ in range(N)])

dp = np.zeros(W + 1, dtype="int64")
for w, v in WV:
    dp[W:w-1:-1] = np.maximum(dp[W:w-1:-1], dp[W-w::-1] + v)

print(dp[-1])

Buggy python submission (verdict: Runtime Error):
N, W = map(int, input().split())
wv = np.array([list(map(int, input().split())) for _ in range(N)])
dp = np.zeros(W + 1, dtype="int64")

for w, v in wv:
    dp[W:w-1:-1] = np.maximum(dp[W:w-1:-1], dp[W-w::-1] + v)
    print(dp)
    
print(dp[-1])

Fixed submission:
# -*- coding: utf-8 -*-

import numpy as np

EDPC = "https://atcoder.jp/contests/DP/"
TDPC = "https://atcoder.jp/contests/tDPc/tasks"

################ DANGER ################
test = ""
#test = \
"""
3 8
3 30
4 50
5 60
ans 90
"""

"""
5 5
1 1000000000
1 1000000000
1 1000000000
1 1000000000
1 1000000000
ans 5000000000(>int32)
"""

"""
6 15
6 5
5 6
6 4
6 6
3 5
7 2
ans 17
"""
########################################
test = list(reversed(test.strip().splitlines()))
if test:
    def input2():
        return test.pop()
else:
    def input2():
        return input()
########################################  
# np.maximum(np.array([1,3,2]), np.array([2, 1, 3]))
N, W = map(int, input2().split())
WV = np.array([tuple(map(int, input2().split())) for _ in range(N)])

dp = np.zeros(W + 1, dtype="int64")
for w, v in WV:
    dp[W:w-1:-1] = np.maximum(dp[W:w-1:-1], dp[W-w::-1] + v)

print(dp[-1])

Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
wv = (map(int, input().split()) for _ in range(N))
#print(tuple(map(tuple, wv)))
dp = [0] * (W + 1)
for w, v in wv:
    for j in range(W, w-1, -1):
        dp[j] = max(dp[j], dp[j - w] + v)
print(max(dp))

Fixed submission:
# -*- coding: utf-8 -*-

import numpy as np

EDPC = "https://atcoder.jp/contests/DP/"
TDPC = "https://atcoder.jp/contests/tDPc/tasks"

################ DANGER ################
test = ""
#test = \
"""
3 8
3 30
4 50
5 60
ans 90
"""

"""
5 5
1 1000000000
1 1000000000
1 1000000000
1 1000000000
1 1000000000
ans 5000000000(>int32)
"""

"""
6 15
6 5
5 6
6 4
6 6
3 5
7 2
ans 17
"""
########################################
test = list(reversed(test.strip().splitlines()))
if test:
    def input2():
        return test.pop()
else:
    def input2():
        return input()
########################################  
# np.maximum(np.array([1,3,2]), np.array([2, 1, 3]))
N, W = map(int, input2().split())
WV = np.array([tuple(map(int, input2().split())) for _ in range(N)])

dp = np.zeros(W + 1, dtype="int64")
for w, v in WV:
    dp[W:w-1:-1] = np.maximum(dp[W:w-1:-1], dp[W-w::-1] + v)

print(dp[-1])