fix: fix quotation

Author: e-kwsm

test/shared_ptr.py

@@ -38,7 +38,7 @@
 12
 >>> try: modify(p)
 ... except TypeError: pass
-... else: 'print(expected a TypeError)'
+... else: print('expected a TypeError')
 >>> look(None)
 -1
 >>> store(p)
@@ -61,7 +61,7 @@
 13
 >>> try: modify(z)
 ... except TypeError: pass
-... else: 'print(expected a TypeError)'
+... else: print('expected a TypeError')
 
 >>> Z.get() # should be None
 >>> store(z)
@@ -84,7 +84,7 @@
 17
 >>> try: modify(x)
 ... except TypeError: pass
-... else: 'print(expected a TypeError)'
+... else: print('expected a TypeError')
 >>> look(None)
 -1
 >>> store(x)