diff --git a/Python/asdl.c b/Python/asdl.c
index 1105d3a..c30d7d20 100644
--- a/Python/asdl.c
+++ b/Python/asdl.c
@@ -4,61 +4,61 @@
 asdl_seq *
 asdl_seq_new(int size, PyArena *arena)
 {
-	asdl_seq *seq = NULL;
-	size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+    asdl_seq *seq = NULL;
+    size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
 
-	/* check size is sane */
-	if (size < 0 || size == INT_MIN || 
-		(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
-		PyErr_NoMemory();
-		return NULL;
-	}
+    /* check size is sane */
+    if (size < 0 || size == INT_MIN ||
+        (size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+        PyErr_NoMemory();
+        return NULL;
+    }
 
-	/* check if size can be added safely */
-	if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
-		PyErr_NoMemory();
-		return NULL;
-	}
+    /* check if size can be added safely */
+    if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
 
-	n += sizeof(asdl_seq);
+    n += sizeof(asdl_seq);
 
-	seq = (asdl_seq *)PyArena_Malloc(arena, n);
-	if (!seq) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-	memset(seq, 0, n);
-	seq->size = size;
-	return seq;
+    seq = (asdl_seq *)PyArena_Malloc(arena, n);
+    if (!seq) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    memset(seq, 0, n);
+    seq->size = size;
+    return seq;
 }
 
 asdl_int_seq *
 asdl_int_seq_new(int size, PyArena *arena)
 {
-	asdl_int_seq *seq = NULL;
-	size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+    asdl_int_seq *seq = NULL;
+    size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
 
-	/* check size is sane */
-	if (size < 0 || size == INT_MIN || 
-		(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
-			PyErr_NoMemory();
-			return NULL;
-	}
+    /* check size is sane */
+    if (size < 0 || size == INT_MIN ||
+        (size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+            PyErr_NoMemory();
+            return NULL;
+    }
 
-	/* check if size can be added safely */
-	if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
-		PyErr_NoMemory();
-		return NULL;
-	}
+    /* check if size can be added safely */
+    if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+        PyErr_NoMemory();
+        return NULL;
+    }
 
-	n += sizeof(asdl_seq);
+    n += sizeof(asdl_seq);
 
-	seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
-	if (!seq) {
-		PyErr_NoMemory();
-		return NULL;
-	}
-	memset(seq, 0, n);
-	seq->size = size;
-	return seq;
+    seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
+    if (!seq) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    memset(seq, 0, n);
+    seq->size = size;
+    return seq;
 }