[3.10] Remove trailing spaces (GH-28709)

diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 38e523a..6537a7c 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -1503,7 +1503,7 @@ SyntaxError_init(PySyntaxErrorObject *self, PyObject *args, PyObject *kwds)
                               &self->end_lineno, &self->end_offset)) {
             Py_DECREF(info);
             return -1;
-        } 
+        }
 
         Py_INCREF(self->filename);
         Py_INCREF(self->lineno);
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index e36e0c0..dbe5d89 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -578,7 +578,7 @@ static PyGetSetDef ga_properties[] = {
 };
 
 /* A helper function to create GenericAlias' args tuple and set its attributes.
- * Returns 1 on success, 0 on failure. 
+ * Returns 1 on success, 0 on failure.
  */
 static inline int
 setup_ga(gaobject *alias, PyObject *origin, PyObject *args) {
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index c1c1279..1e06bee 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -3035,7 +3035,7 @@ _PyObject_DebugMallocStats(FILE *out)
 
     fputc('\n', out);
 
-    /* Account for what all of those arena bytes are being used for. */ 
+    /* Account for what all of those arena bytes are being used for. */
     total = printone(out, "# bytes in allocated blocks", allocated_bytes);
     total += printone(out, "# bytes in available blocks", available_bytes);