truncated-format-string / E1301

Message emitted:

Format string ends in middle of conversion specifier

Description:

Used when a format string terminates before the end of a conversion specifier.

Problematic code:

PARG_2 = 1

print("strange format %2" % PARG_2)  # [truncated-format-string]

Correct code:

PARG_2 = 1

print(f"strange format {PARG_2}")

Created by the string checker.