diff -up pybind11-2.5.0/pybind11/__init__.py.hpath pybind11-2.5.0/pybind11/__init__.py
--- pybind11-2.5.0/pybind11/__init__.py.hpath	2020-04-01 08:30:49.562640795 +0200
+++ pybind11-2.5.0/pybind11/__init__.py	2020-04-01 08:31:53.176754407 +0200
@@ -2,11 +2,4 @@ from ._version import version_info, __ve
 
 
 def get_include(user=False):
-    import os
-    d = os.path.dirname(__file__)
-    if os.path.exists(os.path.join(d, "include")):
-        # Package is installed
-        return os.path.join(d, "include")
-    else:
-        # Package is from a source directory
-        return os.path.join(os.path.dirname(d), "include")
+    return '/usr/include/pybind11'