flow analysis working for elif statements (even in combination with else)

test/completion/flow_analysis.py

@@ -20,3 +20,63 @@ def try_except(x):
 
 #? float() str()
 try_except(1)
+
+
+#  Exceptions are not analyzed. So check both if branches
+def try_except(x):
+    try:
+        if 0:
+            return 1
+        else:
+            return ''
+    except AttributeError:
+        return 1.0
+
+#? float() str()
+try_except(1)
+
+
+# -----------------
+# elif
+# -----------------
+
+def elif_flows1(x):
+    if False:
+        return 1
+    elif True:
+        return 1.0
+    else:
+        return ''
+
+#? float()
+elif_flows1(1)
+
+
+def elif_flows2(x):
+    try:
+        if False:
+            return 1
+        elif 0:
+            return 1.0
+        else:
+            return ''
+    except ValueError:
+        return set
+
+#? str() set
+elif_flows2(1)
+
+
+def elif_flows3(x):
+    try:
+        if True:
+            return 1
+        elif 0:
+            return 1.0
+        else:
+            return ''
+    except ValueError:
+        return set
+
+#? int() set
+elif_flows3(1)