ERROR: pip’s dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts. tensorflow-gpu 2.6.0 requires typing-extensions~=3.7.4, but you have typing-extensions 4.12.2 which is incompatible.

ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
tensorflow-gpu 2.6.0 requires typing-extensions~=3.7.4, but you have typing-extensions 4.12.2 which is incompatible.

把tensorflow-gpu卸载掉就行了