Python: Autoformat everything using qlformat.

Will need subsequent PRs fixing up test failures (due to deprecated
methods moving around), but other than that everything should be
straight-forward.

python/ql/src/Metrics/History/HChurn.ql

@@ -13,11 +13,11 @@ import external.VCS
 
 from Module m, int n
 where
-    n =
-        sum(Commit entry, int churn |
-            churn = entry.getRecentChurnForFile(m.getFile()) and not artificialChange(entry)
-        |
-            churn
-        ) and
-    exists(m.getMetrics().getNumberOfLinesOfCode())
+  n =
+    sum(Commit entry, int churn |
+      churn = entry.getRecentChurnForFile(m.getFile()) and not artificialChange(entry)
+    |
+      churn
+    ) and
+  exists(m.getMetrics().getNumberOfLinesOfCode())
 select m, n order by n desc

python/ql/src/Metrics/History/HLinesAdded.ql

@@ -13,11 +13,11 @@ import external.VCS
 
 from Module m, int n
 where
-    n =
-        sum(Commit entry, int churn |
-            churn = entry.getRecentAdditionsForFile(m.getFile()) and not artificialChange(entry)
-        |
-            churn
-        ) and
-    exists(m.getMetrics().getNumberOfLinesOfCode())
+  n =
+    sum(Commit entry, int churn |
+      churn = entry.getRecentAdditionsForFile(m.getFile()) and not artificialChange(entry)
+    |
+      churn
+    ) and
+  exists(m.getMetrics().getNumberOfLinesOfCode())
 select m, n order by n desc

python/ql/src/Metrics/History/HLinesDeleted.ql

@@ -13,11 +13,11 @@ import external.VCS
 
 from Module m, int n
 where
-    n =
-        sum(Commit entry, int churn |
-            churn = entry.getRecentDeletionsForFile(m.getFile()) and not artificialChange(entry)
-        |
-            churn
-        ) and
-    exists(m.getMetrics().getNumberOfLinesOfCode())
+  n =
+    sum(Commit entry, int churn |
+      churn = entry.getRecentDeletionsForFile(m.getFile()) and not artificialChange(entry)
+    |
+      churn
+    ) and
+  exists(m.getMetrics().getNumberOfLinesOfCode())
 select m, n order by n desc

python/ql/src/Metrics/History/HNumberOfCoCommits.ql

@@ -16,8 +16,8 @@ int committedFiles(Commit commit) { result = count(commit.getAnAffectedFile()) }
 from Module m
 where exists(m.getMetrics().getNumberOfLinesOfCode())
 select m,
-    avg(Commit commit, int toAvg |
-        commit.getAnAffectedFile() = m.getFile() and toAvg = committedFiles(commit) - 1
-    |
-        toAvg
-    )
+  avg(Commit commit, int toAvg |
+    commit.getAnAffectedFile() = m.getFile() and toAvg = committedFiles(commit) - 1
+  |
+    toAvg
+  )

python/ql/src/Metrics/History/HNumberOfReCommits.ql

@@ -12,21 +12,21 @@ import python
 import external.VCS
 
 predicate inRange(Commit first, Commit second) {
-    first.getAnAffectedFile() = second.getAnAffectedFile() and
-    first != second and
-    exists(int n |
-        n = first.getDate().daysTo(second.getDate()) and
-        n >= 0 and
-        n < 5
-    )
+  first.getAnAffectedFile() = second.getAnAffectedFile() and
+  first != second and
+  exists(int n |
+    n = first.getDate().daysTo(second.getDate()) and
+    n >= 0 and
+    n < 5
+  )
 }
 
 int recommitsForFile(File f) {
-    result =
-        count(Commit recommit |
-            f = recommit.getAnAffectedFile() and
-            exists(Commit prev | inRange(prev, recommit))
-        )
+  result =
+    count(Commit recommit |
+      f = recommit.getAnAffectedFile() and
+      exists(Commit prev | inRange(prev, recommit))
+    )
 }
 
 from Module m

python/ql/src/Metrics/History/HNumberOfRecentAuthors.ql

@@ -14,11 +14,11 @@ import external.VCS
 from Module m
 where exists(m.getMetrics().getNumberOfLinesOfCode())
 select m,
-    count(Author author |
-        exists(Commit e |
-            e = author.getACommit() and
-            m.getFile() = e.getAnAffectedFile() and
-            e.daysToNow() <= 180 and
-            not artificialChange(e)
-        )
+  count(Author author |
+    exists(Commit e |
+      e = author.getACommit() and
+      m.getFile() = e.getAnAffectedFile() and
+      e.daysToNow() <= 180 and
+      not artificialChange(e)
     )
+  )

python/ql/src/Metrics/History/HNumberOfRecentChangedFiles.ql

@@ -13,8 +13,8 @@ import external.VCS
 
 from Module m
 where
-    exists(Commit e |
-        e.getAnAffectedFile() = m.getFile() and e.daysToNow() <= 180 and not artificialChange(e)
-    ) and
-    exists(m.getMetrics().getNumberOfLinesOfCode())
+  exists(Commit e |
+    e.getAnAffectedFile() = m.getFile() and e.daysToNow() <= 180 and not artificialChange(e)
+  ) and
+  exists(m.getMetrics().getNumberOfLinesOfCode())
 select m, 1