nebius/SWE-bench-extra huggingface dataset:
Repository: ultrabug/py3status

Issue:
Formatting returns empty when closing with a False or None placeholder
Formatting returns empty when closing with a `False` or `None` placeholder.
```diff
diff --git a/py3status/modules/static_string.py b/py3status/modules/static_string.py
index dbcec8c6..593b3740 100644
--- a/py3status/modules/static_string.py
+++ b/py3status/modules/static_string.py
@@ -18,10 +18,17 @@ class Py3status:
     # available configuration parameters
     format = 'Hello, world!'
 
+    # format = 'A, B, C // {true}'    # IS OK     | A, B, C // True
+    # format = 'A, B, C // {false}'   # IS NOT OK |
+    # format = 'A, B, C // {none}'    # IS NOT OK |
+    # format = 'A, B, C // {false} '  # IS OK     | A, B, C // False
+    # format = 'A, B, C // {none} '   # IS OK     | A, B, C // None
+
     def static_string(self):
+        new_dict = {'true': True, 'false': False, 'none': None}
         return {
             'cached_until': self.py3.CACHE_FOREVER,
-            'full_text': self.py3.safe_format(self.format),
+            'full_text': self.py3.safe_format(self.format, new_dict),
         }
```

Comments:

Patch:
diff --git a/py3status/formatter.py b/py3status/formatter.py
index e265819e..db2875de 100644
--- a/py3status/formatter.py
+++ b/py3status/formatter.py
@@ -268,7 +268,9 @@ class Placeholder:
                 output = u'{%s%s}' % (self.key, self.format)
                 value = value_ = output.format(**{self.key: value})
 
-            if block.commands.not_zero:
+            if block.parent is None:
+                valid = True
+            elif block.commands.not_zero:
                 valid = value_ not in ['', 'None', None, False, '0', '0.0', 0, 0.0]
             else:
                 # '', None, and False are ignored


Test patch:
diff --git a/tests/test_formatter.py b/tests/test_formatter.py
index 0d1bf9b5..76febab4 100644
--- a/tests/test_formatter.py
+++ b/tests/test_formatter.py
@@ -296,10 +296,18 @@ def test_26():
 
 
 def test_27():
-    run_formatter({'format': '{None}', 'expected': '', })
+    run_formatter({'format': '{None}', 'expected': 'None', })
 
 
 def test_27a():
+    run_formatter({'format': '{None} {no}', 'expected': 'None False', })
+
+
+def test_27b():
+    run_formatter({'format': '[Hello {None}] {no}', 'expected': ' False', })
+
+
+def test_27c():
     run_formatter({'format': '[Hi, my name is {None_str}]', 'expected': '', })
 
 
@@ -312,7 +320,7 @@ def test_29():
 
 
 def test_30():
-    run_formatter({'format': '{no}', 'expected': '', })
+    run_formatter({'format': '{no}', 'expected': 'False', })
 
 
 def test_31():
@@ -1134,7 +1142,7 @@ def test_module_true_value():
 
 
 def test_module_false_value():
-    run_formatter({'format': '{module_false}', 'expected': ''})
+    run_formatter({'format': '{module_false}', 'expected': 'False'})
 
 
 def test_zero_format_1():