[Docs] Fix required version of an example of importlib (GH-10118)

e-kwsm · vstinner · commit 16c8a53490a2 · 2018-11-05T23:41:17.000+01:00
§31.5.6.3. Importing a source file directly: `module_from_spec` is new in Python 3.5.
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
@@ -1653,7 +1653,7 @@ Importing a source file directly
 ''''''''''''''''''''''''''''''''
 
 To import a Python source file directly, use the following recipe
-(Python 3.4 and newer only)::
+(Python 3.5 and newer only)::
 
   import importlib.util
   import sys
