#### Wie relative Importe funktionieren { #how-relative-imports-work }

/// tip | Tipp

Wenn Sie genau wissen, wie Importe funktionieren, fahren Sie mit dem nächsten Abschnitt unten fort.

///

Ein einzelner Punkt `.`, wie in:

```Python
from .dependencies import get_token_header
```

würde bedeuten:

Wenn Sie über gute technische Kenntnisse verfügen (Coroutinen, Threads, Blocking, usw.) und neugierig sind, wie FastAPI mit `async def`s im Vergleich zu normalen `def`s umgeht, fahren Sie fort.

///

### Pfadoperation-Funktionen { #path-operation-functions }

<!--{
	"Title": "The Go Memory Model",
	"Subtitle": "Version of June 6, 2022",
	"Path": "/ref/mem"
}-->

<style>
p.rule {
  font-style: italic;
}
</style>

<h2 id="introduction">Introduction</h2>

<p>
The Go memory model specifies the conditions under which
reads of a variable in one goroutine can be guaranteed to
observe values produced by writes to the same variable in a different goroutine.
</p>

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=excel\n\
application/vnd.ms-powerpoint=powerpoint\n\
application/vnd.openxmlformats-officedocument.presentationml.presentation=powerpoint\n\
application/vnd.oasis.opendocument.text=odt\n\
application/vnd.oasis.opendocument.spreadsheet=ods\n\
application/vnd.oasis.opendocument.presentation=odp\n\
application/pdf=pdf\n\
application/x-fictionbook+xml=fb2\n\
application/e-pub+zip=epub\n\

     * application/vnd.ms-powerpoint=powerpoint<br>
     * application/vnd.openxmlformats-officedocument.presentationml.presentation=powerpoint<br>
     * application/vnd.oasis.opendocument.text=odt<br>
     * application/vnd.oasis.opendocument.spreadsheet=ods<br>
     * application/vnd.oasis.opendocument.presentation=odp<br>
     * application/pdf=pdf<br>
     * application/x-fictionbook+xml=fb2<br>

forgot.her.name
forgot.his.name
forli-cesena.it
forlicesena.it
forlì-cesena.it
forlìcesena.it
forms.ac
forsale
forsand.no
fortal.br
forum
forum.hu
forumz.info
fosnes.no
fot.br
foundation
fox
foz.br
fr
fr-1.paas.massivegrid.net
fr-par-1.baremetal.scw.cloud
fr-par-2.baremetal.scw.cloud
fr.eu.org
fr.it
fra1-de.cloudjiffy.net
framer.ai
framer.app

	//TODO: FLDS (R11)                      // 41d903
	//TODO: FLDL (BX)                       // dd03
	//TODO: FLDL (R11)                      // 41dd03
	//TODO: FLDT (BX)                       // db2b
	//TODO: FLDT (R11)                      // 41db2b
	FLD1                                    // d9e8
	FLDCW (BX)                              // d92b
	FLDCW (R11)                             // 41d92b

* 🐛 Fix hierarchical security scope propagation. PR [#5624](https://github.com/fastapi/fastapi/pull/5624) by [@kristjanvalur](https://github.com/kristjanvalur).

### Docs

* 💅 Update CSS to explicitly use emoji font. PR [#14415](https://github.com/fastapi/fastapi/pull/14415) by [@tiangolo](https://github.com/tiangolo).

### Internal

forgot.her.name
forgot.his.name
forli-cesena.it
forlicesena.it
forlì-cesena.it
forlìcesena.it
forms.ac
forsale
forsand.no
fortal.br
forum
forum.hu
forumz.info
fosnes.no
fot.br
foundation
fox
foz.br
fr
fr-1.paas.massivegrid.net
fr-par-1.baremetal.scw.cloud
fr-par-2.baremetal.scw.cloud
fr.eu.org
fr.it
fra1-de.cloudjiffy.net
framer.ai
framer.app

def.br
des.br
det.br
dev.br
ecn.br
eco.br
edu.br
emp.br
enf.br
eng.br
esp.br
etc.br
eti.br
far.br
feira.br
flog.br
floripa.br
fm.br
fnd.br
fortal.br
fot.br
foz.br
fst.br
g12.br
geo.br
ggf.br
goiania.br
gov.br
// gov.br 26 states + df https://en.wikipedia.org/wiki/States_of_Brazil
ac.gov.br
al.gov.br
am.gov.br
ap.gov.br
ba.gov.br