1 files changed, 5 insertions, 3 deletions
diff --git a/docs/examples/tutorial/memory_allocation/some_memory.pyx b/docs/examples/tutorial/memory_allocation/some_memory.pyx
index fb272a88d..e6bb63b77 100644
--- a/docs/examples/tutorial/memory_allocation/some_memory.pyx
+++ b/docs/examples/tutorial/memory_allocation/some_memory.pyx
@@ -1,12 +1,13 @@
 from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
 
-cdef class SomeMemory:
 
+cdef class SomeMemory:
     cdef double* data
 
     def __cinit__(self, size_t number):
         # allocate some memory (uninitialised, may contain arbitrary data)
-        self.data = <double*> PyMem_Malloc(number * sizeof(double))
+        self.data = <double*> PyMem_Malloc(
+            number * sizeof(double))
         if not self.data:
             raise MemoryError()
 
@@ -14,7 +15,8 @@ cdef class SomeMemory:
         # Allocates new_number * sizeof(double) bytes,
         # preserving the current content and making a best-effort to
         # re-use the original data location.
-        mem = <double*> PyMem_Realloc(self.data, new_number * sizeof(double))
+        mem = <double*> PyMem_Realloc(
+            self.data, new_number * sizeof(double))
         if not mem:
             raise MemoryError()
         # Only overwrite the pointer if the memory was really reallocated.