remove more already-fixed codes

Author: fchapoton

pyproject.toml

@@ -41,7 +41,7 @@ build-backend = "mesonpy"
 
 [tool.cython-lint]
 max-line-length = 120
-ignore = ['E114','E117','E127','E128','E129','E202','E221','E222','E231','E261','E262','E265','E302','E303','E306','E501','E711','E722','E731','E741','E743']
+ignore = ['E114','E117','E127','E128','E129','E202','E221','E222','E231','E261','E262','E265','E501','E711','E722','E731','E741','E743']
 exclude = 'src/flint/flintlib/.*'
 
 [tool.spin]

src/flint/types/acb.pyx

@@ -97,7 +97,6 @@ cdef any_as_acb_or_notimplemented(x):
 #         return acb(x)
 
 
-
 # Copied with modifications from sage/rings/complex_arb.pyx
 @cython.internal
 cdef class IntegrationContext: