gnu: python-pdbpp: Update to 0.10.3-0.e1c2e34.

* gnu/packages/python-xyz.scm (python-pdbpp): Update to 0.10.3-0.e1c2e34.
[arguments]: Add pretend-version phase.

gnu/packages/python-xyz.scm

@@ -6801,20 +6801,31 @@ debugger, with which it shares the same interface.")
     (license license:bsd-3)))
 
 (define-public python-pdbpp
+  ;; The latest release lacks support for Python 3.10; use the latest commit
+  ;; of the master branch (see: https://github.com/pdbpp/pdbpp/issues/503).
+  (let ((commit "e1c2e347cc55a6dd89e058e56a1366ada68884bc")
+        (revision "0"))
     (package
       (name "python-pdbpp")
-    (version "0.10.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (pypi-uri "pdbpp" version))
+      (version (git-version "0.10.3" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/pdbpp/pdbpp")
+                      (commit commit)))
+                (file-name (git-file-name name version))
                 (sha256
                  (base32
-         "1xb9yvi30rb1cdpvfdk2kg79vh3anvkz91r8bwvfp3iqv97kzr6r"))))
+                  "1hql1ldwa9czml7zrnv6qdzgpywwav3a282dbvqypf108zvjsdiw"))))
       (build-system python-build-system)
       (arguments
-     `(#:phases
-       (modify-phases %standard-phases
+       (list
+        #:phases
+        #~(modify-phases %standard-phases
+            (add-before 'build 'pretend-version
+              (lambda _
+                (setenv "SETUPTOOLS_SCM_PRETEND_VERSION"
+                        #$(package-version this-package))))
             (replace 'check
               (lambda* (#:key tests? #:allow-other-keys)
                 (when tests?
@@ -6840,7 +6851,7 @@ includes the following improvements compared to @code{pdb}:
 @item smart command parsing
 @item additional convenience functions in the @code{pdb} module.
 @end itemize")
-    (license license:bsd-3)))
+      (license license:bsd-3))))
 
 (define-public python-pdftotext
   (package