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Py36+ syntax in gym/utils: derived by running pyupgrade --py36-plus gym/utils/**.py and flynt gym --ll 120 (#2472)

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Co-authored-by: Ilya Kamen <ilya.kamenshchikov@bosch.com>
This commit is contained in:
Elijah K
2021-11-14 14:50:53 +01:00
committed by GitHub
parent a4da53c210
commit 61d9f266bc
6 changed files with 11 additions and 13 deletions
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10
gym/utils/seeding.py
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@@ -10,9 +10,7 @@ from gym import error
def np_random(seed=None):
if seed is not None and not (isinstance(seed, int) and 0 <= seed):
raise error.Error(
"Seed must be a non-negative integer or omitted, not {}".format(seed)
)
raise error.Error(f"Seed must be a non-negative integer or omitted, not {seed}")
seed = create_seed(seed)
@@ -65,7 +63,7 @@ def create_seed(a=None, max_bytes=8):
elif isinstance(a, int):
a = a % 2 ** (8 * max_bytes)
else:
raise error.Error("Invalid type for seed: {} ({})".format(type(a), a))
raise error.Error(f"Invalid type for seed: {type(a)} ({a})")
return a
@@ -76,7 +74,7 @@ def _bigint_from_bytes(bytes):
padding = sizeof_int - len(bytes) % sizeof_int
bytes += b"\0" * padding
int_count = int(len(bytes) / sizeof_int)
unpacked = struct.unpack("{}I".format(int_count), bytes)
unpacked = struct.unpack(f"{int_count}I", bytes)
accum = 0
for i, val in enumerate(unpacked):
accum += 2 ** (sizeof_int * 8 * i) * val
@@ -86,7 +84,7 @@ def _bigint_from_bytes(bytes):
def _int_list_from_bigint(bigint):
# Special case 0
if bigint < 0:
raise error.Error("Seed must be non-negative, not {}".format(bigint))
raise error.Error(f"Seed must be non-negative, not {bigint}")
elif bigint == 0:
return [0]