some typos in rings/ and schemes/

[chapoton]

found using

sage --tox -e=codespell src/sage/rings/

[chapoton]

New commits:

​5a940a0

bunch of typos in rings/ and schemes/

[git]

Branch pushed to git repo; I updated commit sha1. New commits:

​7821234

some details

[slelievre]

Some optional suggestions while we are at it, but they can wait too.

While fixing "ambiguous" spelling, also change capitalisation.

-            ValueError: Input is ambiguous: x as well as raw_element=42 are specified.
+            ValueError: input is ambiguous: x as well as raw_element=42 are specified.
...
-            raise ValueError('Input is ambiguous: '
+            raise ValueError('input is ambiguous: '

While fixing "guarentee" -> "guarantee", also fix "there is not" -> "there is no" and single or no backticks to double backticks.

-         - A tuple (a, b, c) which satisfies `a = b*f + c*g`. There
-           is not guarantee that a, b, and c are minimal.
+         - A tuple ``(a, b, c)`` which satisfies ``a = b*f + c*g``. There
+           is no guarantee that ``a``, ``b``, and ``c`` are minimal.

Mis-spelled "seperate" incorrectly fixed to "saperate", should be "separate".

-    We can represent the Berkovich projective line in two saperate ways:
+    We can represent the Berkovich projective line in two separate ways:

Fix "exceeds" as well as "allotted" (twice).

-        However, if the Newton iteration exceedes the allotted attempts,
+        However, if the Newton iteration exceeds the allotted attempts,

Finally, whenever touching % or .format(...) string formatting, I would go f-strings, but up to you since you're doing the work!

[git]

Branch pushed to git repo; I updated commit sha1. New commits:

​e6fa6e6

more fixes in rings and schemes

[git]

Branch pushed to git repo; I updated commit sha1. New commits:

​4562ac7

one more pyflakes fix

[slelievre]

Positive review from me if bots are happy.

[chapoton]

ok, let's say that the bots are green enough

Merci Samuel