Fix "Unexpected indentation error" in docs build

And some minor coding style fixes regarding tabs and trailing
whitespaces.

pygit2/enums.py

@@ -62,4 +62,3 @@ class SubmoduleStatus(IntFlag):
 
     WD_UNTRACKED = _pygit2.GIT_SUBMODULE_STATUS_WD_UNTRACKED
     "submodule workdir contains untracked files (flag available if ignore is NONE)"
-

pygit2/filter.py

@@ -67,11 +67,12 @@ def check(self, src: FilterSource, attr_values: List[Optional[str]]):
         If `Passthrough` is raised, the filter will not be applied.
 
         Parameters:
-            src: The source of the filtered blob.
-            attr_values: The values of each attribute for the blob being
-                filtered. `attr_values` will be a sorted list containing
-                attributes in the order they were defined in
-                ``cls.attributes``.
+
+        src: The source of the filtered blob.
+
+        attr_values: The values of each attribute for the blob being filtered.
+            `attr_values` will be a sorted list containing attributes in the
+            order they were defined in ``cls.attributes``.
         """
 
     def write(
@@ -86,11 +87,14 @@ def write(
         `write()` may be called multiple times per stream.
 
         Parameters:
-            data: Input data.
-            src: The source of the filtered blob.
-            write_next: The ``write()`` method of the next filter in the chain.
-                Filtered output data should be written to `write_next` whenever
-                it is available.
+
+        data: Input data.
+
+        src: The source of the filtered blob.
+
+        write_next: The ``write()`` method of the next filter in the chain.
+            Filtered output data should be written to `write_next` whenever it is
+            available.
         """
         write_next(data)
 

pygit2/remote.py

@@ -130,10 +130,10 @@ def fetch(self, refspecs=None, message=None, callbacks=None, prune=C.GIT_FETCH_P
             * `None` (the default) to disable proxy usage
             * `True` to enable automatic proxy detection
             * an url to a proxy (`http://proxy.example.org:3128/`)
-        
+
         depth : int
             Number of commits from the tip of each remote branch history to fetch.
-        
+
             If non-zero, the number of commits from the tip of each remote
             branch history to fetch. If zero, all history is fetched.
             The default is 0 (all history is fetched).

pygit2/repository.py

@@ -665,7 +665,7 @@ def diff(self, a=None, b=None, cached=False, flags=GIT_DIFF_NORMAL,
     def state(self) -> int:
         """Determines the state of a git repository - ie, whether an operation
         (merge, cherry-pick, etc) is in progress.
-        
+
         Returns a GIT_REPOSITORY_STATE_* constant.
         """
         return C.git_repository_state(self._repo)

src/mailmap.c

@@ -66,7 +66,7 @@ PyDoc_STRVAR(Mailmap_from_repository__doc__,
     "Mailmaps are loaded in the following order:\n"
     " 1. '.mailmap' in the root of the repository's working directory, if present.\n"
     " 2. The blob object identified by the 'mailmap.blob' config entry, if set.\n"
-    "	   [NOTE: 'mailmap.blob' defaults to 'HEAD:.mailmap' in bare repositories]\n"
+    "    [NOTE: 'mailmap.blob' defaults to 'HEAD:.mailmap' in bare repositories]\n"
     " 3. The path in the 'mailmap.file' config entry, if set.");
 PyObject *
 Mailmap_from_repository(Mailmap *dummy, PyObject *args)

src/refdb_backend.c

@@ -85,8 +85,7 @@ iterator_get_next(struct pygit2_refdb_iterator *iter)
 }
 
 static int
-pygit2_refdb_iterator_next(
-        git_reference **out, git_reference_iterator *_iter)
+pygit2_refdb_iterator_next(git_reference **out, git_reference_iterator *_iter)
 {
     struct pygit2_refdb_iterator *iter = (struct pygit2_refdb_iterator *)_iter;
     Reference *ref = iterator_get_next(iter);
@@ -104,8 +103,7 @@ pygit2_refdb_iterator_next(
 }
 
 static int
-pygit2_refdb_iterator_next_name(const char **ref_name,
-		git_reference_iterator *_iter)
+pygit2_refdb_iterator_next_name(const char **ref_name, git_reference_iterator *_iter)
 {
     struct pygit2_refdb_iterator *iter = (struct pygit2_refdb_iterator *)_iter;
     Reference *ref = iterator_get_next(iter);

test/test_submodule.py

@@ -223,4 +223,3 @@ def test_submodule_reload(repo):
     # Tell it to refresh its cache
     sm.reload()
     assert sm.url == "https://github.com/libgit2/pygit2"
-