Fix #914525 (Missing utils/coffeescript file)

setup/resources.py

@@ -35,7 +35,7 @@ class Coffee(Command): # {{{
                 help='Display the generated javascript')
 
     def run(self, opts):
-        from calibre.utils.coffeescript import compile_coffeescript
+        from calibre.utils.serve_coffee import compile_coffeescript
         self.compiler = compile_coffeescript
         self.do_coffee_compile(opts)
         if opts.watch:

src/calibre/utils/ipc/launch.py

@@ -66,9 +66,10 @@ class Worker(object):
         if isfrozen:
             return os.path.join(sys.executables_location, e)
 
-        c = os.path.join(sys.executables_location, e)
-        if os.access(c, os.X_OK):
-            return c
+        if hasattr(sys, 'executables_location'):
+            c = os.path.join(sys.executables_location, e)
+            if os.access(c, os.X_OK):
+                return c
         return e